Error with the doc

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I have an error with the doc when the project is on the drive D: with Windows10.

File "D:\PROJET\VRAC2\specio\doc\sphinxext\github_link.py", line 62, in _linkcode_resolve
    start=os.path.dirname(__import__(package).__file__))
  File "c:\users\daria\appdata\local\programs\python\python37\lib\ntpath.py", line 562, in relpath
    path_drive, start_drive))
ValueError: path is on mount 'D:', start on mount 'c:'