TypeError: expected str, bytes or os.PathLike object, not NoneType
Traceback (most recent call last):
File "/usr/local/Cellar/qgis3-dev/2.99/QGIS.app/Contents/MacOS/../Resources/python/plugins/processing/algs/grass7/Grass7AlgorithmProvider.py", line 73, in load
Grass7Utils.grassHelpPath()))
File "/usr/local/Cellar/qgis3-dev/2.99/QGIS.app/Contents/MacOS/../Resources/python/plugins/processing/algs/grass7/Grass7Utils.py", line 506, in grassHelpPath
localPath = os.path.join(Grass7Utils.path, 'docs/html')
File "/usr/local/opt/python3/Frameworks/Python.framework/Versions/3.6/lib/python3.6/posixpath.py", line 78, in join
a = os.fspath(a)
TypeError: expected str, bytes or os.PathLike object, not NoneType
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