Cura-lulzbot not slicing

In between now and the last time I sliced a model I updated my operating system (OpenSuSE). Now, the repo version of cura-lulzbot won’t slice my models. On run it fails when trying to import Savitar (see log at 2 below), although the package is installed and can be imported at a commandline (see 1).

Any ideas on how I might resolve this?

Thanks

Brendan

  1. Is Savitar importable?

python3
Python 3.6.10 (default, Jan 16 2020, 09:12:04) [GCC] on linux
Type “help”, “copyright”, “credits” or “license” for more information.

import Savitar

  1. Cura-lulzbot Log

cura-lulzbot
[(140363506431296)-MainThread] cura.CuraApplication.init [221]: QtApplication Install Prefix : “/usr”
[(140363506431296)-MainThread] UM.Application.init [94]: InstallPrefix: /usr, ApplicationName: cura-lulzbot
[(140363506431296)-MainThread] UM.Resources.__initializeStoragePaths [348]: Initializing storage paths
[(140363506431296)-MainThread] UM.Resources.__initializeStoragePaths [356]: …StorageRootPath is /home/bb/.config
[(140363506431296)-MainThread] UM.Resources.__initializeStoragePaths [357]: …StorageDirName is cura-lulzbot/master
[(140363506431296)-MainThread] UM.Resources.__initializeStoragePaths [361]: Config storage path is /home/bb/.config/cura-lulzbot/master
[(140363506431296)-MainThread] UM.Resources.__initializeStoragePaths [369]: Data storage path is /home/bb/.local/share/cura-lulzbot/master
[(140363506431296)-MainThread] UM.Resources.__initializeStoragePaths [381]: Cache storage path is /home/bb/.cache/cura-lulzbot/master
[(140363506431296)-MainThread] UM.View.GL.OpenGLContext.detectBestOpenGLVersion [103]: Trying OpenGL context 4.1…
[(140363506431296)-MainThread] UM.View.GL.OpenGLContext.detectBestOpenGLVersion [113]: Yay, we got at least OpenGL 4.1 core: 4.5 Core profile
[(140363506431296)-MainThread] UM.Qt.QtApplication.init [91]: Detected most suitable OpenGL context version: 4.1 Core profile
[(140363506431296)-MainThread] UM.Qt.QtApplication.init [109]: Command line arguments: {‘debug’: False, ‘external-backend’: False, ‘headless’: False, ‘disable-textures’: False, ‘qmljsdebugger’: None, ‘file’: , ‘single_instance’: False}
[(140363506431296)-MainThread] UM.PluginRegistry.loadPlugin [247]: Loaded plugin LocalFileOutputDevice
/usr/lib64/python3.6/importlib/_bootstrap.py:219: FutureWarning: Passing (type, 1) or ‘1type’ as a synonym of type is deprecated; in a future version of numpy, it will be understood as (type, (1,)) / ‘(1,)type’.
return f(*args, **kwds)
2020-05-12 10:42:18,047 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [82]: Exception: Import error loading module 3MFWriter
2020-05-12 10:42:18,063 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: Traceback (most recent call last):
2020-05-12 10:42:18,063 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “/usr/lib/python3.6/site-packages/UM/PluginRegistry.py”, line 498, in _findPlugin
2020-05-12 10:42:18,064 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: module = imp.load_module(plugin_id, file, path, desc)
2020-05-12 10:42:18,064 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “/usr/lib64/python3.6/imp.py”, line 245, in load_module
2020-05-12 10:42:18,064 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: return load_package(name, filename)
2020-05-12 10:42:18,065 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “/usr/lib64/python3.6/imp.py”, line 217, in load_package
2020-05-12 10:42:18,065 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: return _load(spec)
2020-05-12 10:42:18,065 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “”, line 684, in _load
2020-05-12 10:42:18,065 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “”, line 665, in _load_unlocked
2020-05-12 10:42:18,066 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “”, line 678, in exec_module
2020-05-12 10:42:18,066 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “”, line 219, in _call_with_frames_removed
2020-05-12 10:42:18,066 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “/usr/lib/cura/plugins/3MFWriter/init.py”, line 7, in
2020-05-12 10:42:18,067 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: from . import ThreeMFWriter
2020-05-12 10:42:18,067 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “/usr/lib/cura/plugins/3MFWriter/ThreeMFWriter.py”, line 13, in
2020-05-12 10:42:18,067 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: import Savitar
2020-05-12 10:42:18,068 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: ValueError: PyCapsule_GetPointer called with incorrect name
2020-05-12 10:42:18,068 - WARNING - [(140363506431296)-MainThread] UM.PluginRegistry._populateMetaData [414]: Could not find plugin 3MFWriter
2020-05-12 10:42:18,071 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [82]: Exception: Import error loading module 3MFWriter
2020-05-12 10:42:18,071 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: Traceback (most recent call last):
2020-05-12 10:42:18,071 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “/usr/lib/python3.6/site-packages/UM/PluginRegistry.py”, line 498, in _findPlugin
2020-05-12 10:42:18,072 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: module = imp.load_module(plugin_id, file, path, desc)
2020-05-12 10:42:18,072 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “/usr/lib64/python3.6/imp.py”, line 245, in load_module
2020-05-12 10:42:18,072 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: return load_package(name, filename)
2020-05-12 10:42:18,072 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “/usr/lib64/python3.6/imp.py”, line 217, in load_package
2020-05-12 10:42:18,072 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: return _load(spec)
2020-05-12 10:42:18,073 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “”, line 684, in _load
2020-05-12 10:42:18,073 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “”, line 665, in _load_unlocked
2020-05-12 10:42:18,073 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “”, line 678, in exec_module
2020-05-12 10:42:18,073 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “”, line 219, in _call_with_frames_removed
2020-05-12 10:42:18,073 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “/usr/lib/cura/plugins/3MFWriter/init.py”, line 7, in
2020-05-12 10:42:18,074 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: from . import ThreeMFWriter
2020-05-12 10:42:18,074 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “/usr/lib/cura/plugins/3MFWriter/ThreeMFWriter.py”, line 13, in
2020-05-12 10:42:18,074 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: import Savitar
2020-05-12 10:42:18,074 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: ValueError: PyCapsule_GetPointer called with incorrect name
2020-05-12 10:42:18,246 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [82]: Exception: Import error loading module 3MFReader
2020-05-12 10:42:18,246 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: Traceback (most recent call last):
2020-05-12 10:42:18,246 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “/usr/lib/python3.6/site-packages/UM/PluginRegistry.py”, line 498, in _findPlugin
2020-05-12 10:42:18,247 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: module = imp.load_module(plugin_id, file, path, desc)
2020-05-12 10:42:18,247 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “/usr/lib64/python3.6/imp.py”, line 245, in load_module
2020-05-12 10:42:18,247 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: return load_package(name, filename)
2020-05-12 10:42:18,247 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “/usr/lib64/python3.6/imp.py”, line 217, in load_package
2020-05-12 10:42:18,247 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: return _load(spec)
2020-05-12 10:42:18,248 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “”, line 684, in _load
2020-05-12 10:42:18,248 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “”, line 665, in _load_unlocked
2020-05-12 10:42:18,248 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “”, line 678, in exec_module
2020-05-12 10:42:18,248 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “”, line 219, in _call_with_frames_removed
2020-05-12 10:42:18,249 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “/usr/lib/cura/plugins/3MFReader/init.py”, line 8, in
2020-05-12 10:42:18,249 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: from . import ThreeMFReader
2020-05-12 10:42:18,249 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “/usr/lib/cura/plugins/3MFReader/ThreeMFReader.py”, line 24, in
2020-05-12 10:42:18,249 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: import Savitar
2020-05-12 10:42:18,249 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: ValueError: PyCapsule_GetPointer called with incorrect name
2020-05-12 10:42:18,250 - WARNING - [(140363506431296)-MainThread] UM.PluginRegistry._populateMetaData [414]: Could not find plugin 3MFReader
2020-05-12 10:42:18,253 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [82]: Exception: Import error loading module 3MFReader
2020-05-12 10:42:18,253 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: Traceback (most recent call last):
2020-05-12 10:42:18,253 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “/usr/lib/python3.6/site-packages/UM/PluginRegistry.py”, line 498, in _findPlugin
2020-05-12 10:42:18,254 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: module = imp.load_module(plugin_id, file, path, desc)
2020-05-12 10:42:18,254 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “/usr/lib64/python3.6/imp.py”, line 245, in load_module
2020-05-12 10:42:18,254 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: return load_package(name, filename)
2020-05-12 10:42:18,254 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “/usr/lib64/python3.6/imp.py”, line 217, in load_package
2020-05-12 10:42:18,254 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: return _load(spec)
2020-05-12 10:42:18,255 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “”, line 684, in _load
2020-05-12 10:42:18,255 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “”, line 665, in _load_unlocked
2020-05-12 10:42:18,255 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “”, line 678, in exec_module
2020-05-12 10:42:18,255 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “”, line 219, in call_with_frames_removed
2020-05-12 10:42:18,256 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “/usr/lib/cura/plugins/3MFReader/init.py”, line 8, in
2020-05-12 10:42:18,256 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: from . import ThreeMFReader
2020-05-12 10:42:18,256 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “/usr/lib/cura/plugins/3MFReader/ThreeMFReader.py”, line 24, in
2020-05-12 10:42:18,256 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: import Savitar
2020-05-12 10:42:18,256 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: ValueError: PyCapsule_GetPointer called with incorrect name
2020-05-12 10:42:18,467 - WARNING - [(140361468638976)-Thread-2] UM.OutputDevice.OutputDeviceManager.removeOutputDevice [126]: Could not find output device with id Autodetect to remove
2020-05-12 10:42:23,473 - WARNING - [(140361468638976)-Thread-2] UM.OutputDevice.OutputDeviceManager.removeOutputDevice [126]: Could not find output device with id Autodetect to remove
2020-05-12 10:42:28,488 - WARNING - [(140361468638976)-Thread-2] UM.OutputDevice.OutputDeviceManager.removeOutputDevice [126]: Could not find output device with id Autodetect to remove
2020-05-12 10:42:33,497 - WARNING - [(140361468638976)-Thread-2] UM.OutputDevice.OutputDeviceManager.removeOutputDevice [126]: Could not find output device with id Autodetect to remove
2020-05-12 10:42:38,510 - WARNING - [(140361468638976)-Thread-2] UM.OutputDevice.OutputDeviceManager.removeOutputDevice [126]: Could not find output device with id Autodetect to remove
2020-05-12 10:42:43,517 - WARNING - [(140361468638976)-Thread-2] UM.OutputDevice.OutputDeviceManager.removeOutputDevice [126]: Could not find output device with id Autodetect to remove
2020-05-12 10:42:48,529 - WARNING - [(140361468638976)-Thread-2] UM.OutputDevice.OutputDeviceManager.removeOutputDevice [126]: Could not find output device with id Autodetect to remove
2020-05-12 10:42:49,771 - WARNING - [(140363506431296)-MainThread] UM.Preferences.getValue [81]: Tried to get the value of non-existing setting view/filter_current_build_plate.
2020-05-12 10:42:49,919 - WARNING - [(140363506431296)-MainThread] UM.Settings.ContainerRegistry.addContainer [342]: Container with ID PLA
(Village_Plastics)_lulzbot_mini was already added.
2020-05-12 10:42:49,925 - WARNING - [(140363506431296)-MainThread] UM.Settings.ContainerStack.addMetaDataEntry [166]: Meta data with key machine was already added.
2020-05-12 10:42:49,926 - WARNING - [(140363506431296)-MainThread] cura.Settings.GlobalStack.addExtruder [69]: Extruder [lulzbot_mini_extruder #2] has already been added to this stack [LulzBot Mini]
2020-05-12 10:42:49,926 - WARNING - [(140363506431296)-MainThread] UM.Settings.ContainerStack.addMetaDataEntry [166]: Meta data with key machine was already added.
2020-05-12 10:42:49,926 - WARNING - [(140363506431296)-MainThread] cura.Settings.ExtruderManager.registerExtruder [223]: Extruder [lulzbot_mini_extruder #2] has already been registered on machine [LulzBot Mini], not doing anything
2020-05-12 10:42:49,978 - ERROR - [(140363506431296)-MainThread] UM.Qt.QtApplication.getTheme [337]: The theme cannot be accessed before the engine is initialised
/usr/lib/python3.6/site-packages/UM/Mesh/MeshData.py:414: RuntimeWarning: invalid value encountered in true_divide
n[:, 0] /= l
/usr/lib/python3.6/site-packages/UM/Mesh/MeshData.py:415: RuntimeWarning: invalid value encountered in true_divide
n[:, 1] /= l
/usr/lib/python3.6/site-packages/UM/Mesh/MeshData.py:416: RuntimeWarning: invalid value encountered in true_divide
n[:, 2] /= l
2020-05-12 10:42:50,834 - WARNING - [(140363506431296)-MainThread] OctoPrintPlugin.OctoPrintOutputDevice._onRequestFinished [718]: Received an unexpected returncode: 403
2020-05-12 10:42:52,004 - WARNING - [(140363506431296)-MainThread] UM.Qt.QtApplication.__onQmlWarning [274]: file:///usr/lib64/qt5/qml/QtQuick/Controls/Private/BasicTableView.qml:615:17: QML Item: Binding loop detected for property “width”
qml: TableViewSelection: index out of range
qml: TableViewSelection: index out of range
2020-05-12 10:42:52,522 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [82]: Exception: Import error loading module 3MFWriter
2020-05-12 10:42:52,522 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: Traceback (most recent call last):
2020-05-12 10:42:52,522 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “/usr/lib/python3.6/site-packages/UM/PluginRegistry.py”, line 498, in _findPlugin
2020-05-12 10:42:52,523 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: module = imp.load_module(plugin_id, file, path, desc)
2020-05-12 10:42:52,523 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “/usr/lib64/python3.6/imp.py”, line 245, in load_module
2020-05-12 10:42:52,523 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: return load_package(name, filename)
2020-05-12 10:42:52,523 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “/usr/lib64/python3.6/imp.py”, line 217, in load_package
2020-05-12 10:42:52,523 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: return _load(spec)
2020-05-12 10:42:52,523 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “”, line 684, in _load
2020-05-12 10:42:52,523 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “”, line 665, in _load_unlocked
2020-05-12 10:42:52,523 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “”, line 678, in exec_module
2020-05-12 10:42:52,523 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “”, line 219, in _call_with_frames_removed
2020-05-12 10:42:52,523 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “/usr/lib/cura/plugins/3MFWriter/init.py”, line 7, in
2020-05-12 10:42:52,524 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: from . import ThreeMFWriter
2020-05-12 10:42:52,524 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “/usr/lib/cura/plugins/3MFWriter/ThreeMFWriter.py”, line 13, in
2020-05-12 10:42:52,524 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: import Savitar
2020-05-12 10:42:52,524 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: ValueError: PyCapsule_GetPointer called with incorrect name
2020-05-12 10:42:52,524 - WARNING - [(140363506431296)-MainThread] UM.PluginRegistry._populateMetaData [414]: Could not find plugin 3MFWriter
2020-05-12 10:42:52,526 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [82]: Exception: Import error loading module 3MFReader
2020-05-12 10:42:52,526 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: Traceback (most recent call last):
2020-05-12 10:42:52,526 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “/usr/lib/python3.6/site-packages/UM/PluginRegistry.py”, line 498, in _findPlugin
2020-05-12 10:42:52,526 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: module = imp.load_module(plugin_id, file, path, desc)
2020-05-12 10:42:52,526 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “/usr/lib64/python3.6/imp.py”, line 245, in load_module
2020-05-12 10:42:52,527 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: return load_package(name, filename)
2020-05-12 10:42:52,527 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “/usr/lib64/python3.6/imp.py”, line 217, in load_package
2020-05-12 10:42:52,527 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: return _load(spec)
2020-05-12 10:42:52,527 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “”, line 684, in _load
2020-05-12 10:42:52,527 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “”, line 665, in _load_unlocked
2020-05-12 10:42:52,527 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “”, line 678, in exec_module
2020-05-12 10:42:52,527 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “”, line 219, in _call_with_frames_removed
2020-05-12 10:42:52,527 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “/usr/lib/cura/plugins/3MFReader/init.py”, line 8, in
2020-05-12 10:42:52,527 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: from . import ThreeMFReader
2020-05-12 10:42:52,528 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: File “/usr/lib/cura/plugins/3MFReader/ThreeMFReader.py”, line 24, in
2020-05-12 10:42:52,528 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: import Savitar
2020-05-12 10:42:52,528 - ERROR - [(140363506431296)-MainThread] UM.Logger.logException [86]: ValueError: PyCapsule_GetPointer called with incorrect name
2020-05-12 10:42:52,528 - WARNING - [(140363506431296)-MainThread] UM.PluginRegistry._populateMetaData [414]: Could not find plugin 3MFReader
2020-05-12 10:42:52,528 - ERROR - [(140363506431296)-MainThread] UM.Qt.Bindings.PluginsModel._update [40]: Plugin is missing a plugin metadata entry
2020-05-12 10:42:52,528 - ERROR - [(140363506431296)-MainThread] UM.Qt.Bindings.PluginsModel.update [40]: Plugin is missing a plugin metadata entry
2020-05-12 10:42:53,316 - WARNING - [(140363506431296)-MainThread] UM.Settings.ContainerRegistry.addContainer [342]: Container with ID Bridge_Nylon
(Taulman)lulzbot_mini was already added.
2020-05-12 10:42:53,326 - WARNING - [(140363506431296)-MainThread] UM.Settings.ContainerRegistry.addContainer [342]: Container with ID PC
(Village_Plastics)lulzbot_mini was already added.
2020-05-12 10:42:53,335 - WARNING - [(140363506431296)-MainThread] UM.Settings.ContainerRegistry.addContainer [342]: Container with ID n-vent
(Taulman)lulzbot_mini was already added.
2020-05-12 10:42:53,344 - WARNING - [(140363506431296)-MainThread] UM.Settings.ContainerRegistry.addContainer [342]: Container with ID ABS
(Village_Plastics)lulzbot_mini was already added.
2020-05-12 10:42:53,362 - WARNING - [(140363506431296)-MainThread] UM.Settings.ContainerRegistry.addContainer [342]: Container with ID PETG_IC3D_lulzbot_mini was already added.
2020-05-12 10:42:53,372 - WARNING - [(140363506431296)-MainThread] UM.Settings.ContainerRegistry.addContainer [342]: Container with ID bronzeFill
(colorFabb)lulzbot_mini was already added.
2020-05-12 10:42:53,383 - WARNING - [(140363506431296)-MainThread] UM.Settings.ContainerRegistry.addContainer [342]: Container with ID HIPS
(Village_Plastics)lulzbot_mini was already added.
2020-05-12 10:42:53,391 - WARNING - [(140363506431296)-MainThread] UM.Settings.ContainerRegistry.addContainer [342]: Container with ID petg_chromastrand_lulzbot_mini was already added.
2020-05-12 10:42:53,410 - WARNING - [(140363506431296)-MainThread] UM.Settings.ContainerRegistry.addContainer [342]: Container with ID ABS
(IC3D)lulzbot_mini was already added.
2020-05-12 10:42:53,427 - WARNING - [(140363506431296)-MainThread] UM.Settings.ContainerRegistry.addContainer [342]: Container with ID ABS
(Chroma_Strand_Labs)lulzbot_mini was already added.
2020-05-12 10:42:53,439 - WARNING - [(140363506431296)-MainThread] UM.Settings.ContainerRegistry.addContainer [342]: Container with ID PC-Max
(Polymaker)lulzbot_mini was already added.
2020-05-12 10:42:53,460 - WARNING - [(140363506431296)-MainThread] UM.Settings.ContainerRegistry.addContainer [342]: Container with ID PolyLite_PLA
(Polymaker)lulzbot_mini was already added.
2020-05-12 10:42:53,474 - WARNING - [(140363506431296)-MainThread] UM.Settings.ContainerRegistry.addContainer [342]: Container with ID nGen
(colorFabb)lulzbot_mini was already added.
2020-05-12 10:42:53,485 - WARNING - [(140363506431296)-MainThread] UM.Settings.ContainerRegistry.addContainer [342]: Container with ID colorFabb_HT_lulzbot_mini was already added.
2020-05-12 10:42:53,498 - WARNING - [(140363506431296)-MainThread] UM.Settings.ContainerRegistry.addContainer [342]: Container with ID Alloy_910
(Taulman)lulzbot_mini was already added.
2020-05-12 10:42:53,518 - WARNING - [(140363506431296)-MainThread] UM.Settings.ContainerRegistry.addContainer [342]: Container with ID PolyCast
(Polymaker)lulzbot_mini was already added.
2020-05-12 10:42:53,521 - WARNING - [(140363506431296)-MainThread] UM.Settings.ContainerRegistry.addContainer [342]: Container with ID PLA
(MatterHackers_PRO_Series)lulzbot_mini was already added.
2020-05-12 10:42:53,530 - WARNING - [(140363506431296)-MainThread] UM.Settings.ContainerRegistry.addContainer [342]: Container with ID copperFill
(colorFabb)lulzbot_mini was already added.
2020-05-12 10:42:53,541 - WARNING - [(140363506431296)-MainThread] UM.Settings.ContainerRegistry.addContainer [342]: Container with ID High_Temp_PLA
(Proto-pasta)lulzbot_mini was already added.
2020-05-12 10:42:53,550 - WARNING - [(140363506431296)-MainThread] UM.Settings.ContainerRegistry.addContainer [342]: Container with ID petg_polymaker_lulzbot_mini was already added.
2020-05-12 10:42:53,560 - WARNING - [(140363506431296)-MainThread] UM.Settings.ContainerRegistry.addContainer [342]: Container with ID Push_HIPS_lulzbot_mini was already added.
2020-05-12 10:42:53,575 - WARNING - [(140363506431296)-MainThread] UM.Settings.ContainerRegistry.addContainer [342]: Container with ID INOVA-1800
(ChromaStrand)lulzbot_mini was already added.
2020-05-12 10:42:53,587 - WARNING - [(140363506431296)-MainThread] UM.Settings.ContainerRegistry.addContainer [342]: Container with ID colorFabb_XT_lulzbot_mini was already added.
2020-05-12 10:42:53,599 - WARNING - [(140363506431296)-MainThread] UM.Settings.ContainerRegistry.addContainer [342]: Container with ID PC-ABS
(Proto-pasta)lulzbot_mini was already added.
2020-05-12 10:42:53,605 - WARNING - [(140361468638976)-Thread-2] UM.OutputDevice.OutputDeviceManager.removeOutputDevice [126]: Could not find output device with id Autodetect to remove
2020-05-12 10:42:53,611 - WARNING - [(140363506431296)-MainThread] UM.Settings.ContainerRegistry.addContainer [342]: Container with ID Conductive
(Proto-pasta)lulzbot_mini was already added.
2020-05-12 10:42:53,623 - WARNING - [(140363506431296)-MainThread] UM.Settings.ContainerRegistry.addContainer [342]: Container with ID BioFila_Silk
(twoBEars)lulzbot_mini was already added.
2020-05-12 10:42:53,632 - WARNING - [(140363506431296)-MainThread] UM.Settings.ContainerRegistry.addContainer [342]: Container with ID PC_PBT_lulzbot_mini was already added.
2020-05-12 10:42:53,642 - WARNING - [(140363506431296)-MainThread] UM.Settings.ContainerRegistry.addContainer [342]: Container with ID bambooFill
(colorFabb)lulzbot_mini was already added.
2020-05-12 10:42:53,654 - WARNING - [(140363506431296)-MainThread] UM.Settings.ContainerRegistry.addContainer [342]: Container with ID woodFill
(colorFabb)lulzbot_mini was already added.
2020-05-12 10:42:53,665 - WARNING - [(140363506431296)-MainThread] UM.Settings.ContainerRegistry.addContainer [342]: Container with ID Steel_PLA
(Proto-pasta)lulzbot_mini was already added.
2020-05-12 10:42:53,684 - WARNING - [(140363506431296)-MainThread] UM.Settings.ContainerRegistry.addContainer [342]: Container with ID PLA
(Verbatim)lulzbot_mini was already added.
2020-05-12 10:42:53,695 - WARNING - [(140363506431296)-MainThread] UM.Settings.ContainerRegistry.addContainer [342]: Container with ID Coffee_PLA
(Proto-pasta)lulzbot_mini was already added.
2020-05-12 10:42:53,708 - WARNING - [(140363506431296)-MainThread] UM.Settings.ContainerRegistry.addContainer [342]: Container with ID PCTPE
(Taulman)lulzbot_mini was already added.
2020-05-12 10:42:53,711 - WARNING - [(140363506431296)-MainThread] UM.Settings.ContainerRegistry.addContainer [342]: Container with ID PLA
(MatterHackers_Build_Series)lulzbot_mini was already added.
2020-05-12 10:42:53,722 - WARNING - [(140363506431296)-MainThread] UM.Settings.ContainerRegistry.addContainer [342]: Container with ID BioFila_Linen
(twoBEars)lulzbot_mini was already added.
2020-05-12 10:42:53,734 - WARNING - [(140363506431296)-MainThread] UM.Settings.ContainerRegistry.addContainer [342]: Container with ID t-glase
(Taulman)lulzbot_mini was already added.
2020-05-12 10:42:53,744 - WARNING - [(140363506431296)-MainThread] UM.Settings.ContainerRegistry.addContainer [342]: Container with ID Magnetic
(Proto-pasta)_lulzbot_mini was already added.
2020-05-12 10:42:54,414 - WARNING - [(140363506431296)-MainThread] OctoPrintPlugin.OctoPrintOutputDevice._onRequestFinished [718]: Received an unexpected returncode: 403
2020-05-12 10:42:55,206 - WARNING - [(140363506431296)-MainThread] OctoPrintPlugin.OctoPrintOutputDevice._onRequestFinished [718]: Received an unexpected returncode: 403
2020-05-12 10:42:56,133 - WARNING - [(140363506431296)-MainThread] OctoPrintPlugin.OctoPrintOutputDevice._onRequestFinished [718]: Received an unexpected returncode: 403
2020-05-12 10:42:58,022 - WARNING - [(140363506431296)-MainThread] OctoPrintPlugin.OctoPrintOutputDevice._onRequestFinished [718]: Received an unexpected returncode: 403
2020-05-12 10:42:58,619 - WARNING - [(140361468638976)-Thread-2] UM.OutputDevice.OutputDeviceManager.removeOutputDevice [126]: Could not find output device with id Autodetect to remove
2020-05-12 10:43:00,023 - WARNING - [(140363506431296)-MainThread] OctoPrintPlugin.OctoPrintOutputDevice._onRequestFinished [718]: Received an unexpected returncode: 403
2020-05-12 10:43:02,023 - WARNING - [(140363506431296)-MainThread] OctoPrintPlugin.OctoPrintOutputDevice._onRequestFinished [718]: Received an unexpected returncode: 403

So, apparently importing Savitar before pyqt5 eliminates the import errors:
https://github.com/Ultimaker/Cura/blob/b20a349b4454d08e34b3c3ea3f537a380e4c7696/cura_app.py#L140-L141

Unfortunately, does not solve the problem in that it continues to fail to slice - it says it’s slicing, but it never finishes.