Plugin installation OSError

[Benjamin Jakimow]

Re-installing EnMAPBox (zip) raises Error up to 4 times.

observed on conda installation (windows, macOS)

OSError: could not get source code 
Traceback (most recent call last):
  File "/Users/jakimowb/Library/Application Support/QGIS/QGIS3/profiles/default/python/plugins/enmapboxplugin/site-packages/typeguard/__init__.py", line 903, in wrapper
    retval = func(*args, **kwargs)
  File "/Users/jakimowb/Library/Application Support/QGIS/QGIS3/profiles/default/python/plugins/enmapboxplugin/enmapboxprocessing/algorithm/fitclassifieralgorithmbase.py", line 44, in initAlgorithm
    self.addParameterClassificationDataset(self.P_DATASET, self._DATASET, None, True)
  File "/Users/jakimowb/Library/Application Support/QGIS/QGIS3/profiles/default/python/plugins/enmapboxplugin/enmapboxprocessing/algorithm/fitclassifieralgorithmbase.py", line 48, in defaultCodeAsString
    lines = [line[8:] for line in inspect.getsource(self.code).split('\n')][1:-2]
  File "/Users/jakimowb/miniconda3/envs/qgis_stable/lib/python3.7/inspect.py", line 973, in getsource
    lines, lnum = getsourcelines(object)
  File "/Users/jakimowb/miniconda3/envs/qgis_stable/lib/python3.7/inspect.py", line 955, in getsourcelines
    lines, lnum = findsource(object)
  File "/Users/jakimowb/miniconda3/envs/qgis_stable/lib/python3.7/inspect.py", line 786, in findsource
    raise OSError('could not get source code')
OSError: could not get source code

‌

[Andreas Janz]

Has nothing to do with typeguard, but with the inspect modul. I’ll wrap it into a try-except-block. After a QGIS restart, everything should be fine again.

[Andreas Janz]

resolves #829

→ <<cset 4f6a8a66f93f>>