$ mkdir /tmp/foo$cd /tmp/foo$ chmod -x.$ python -c"import git"

Traceback (most recent call last):  File "/home/comzyh/.local/lib/python3.8/site-packages/git/__init__.py", line 87, in <module>    refresh()  File "/home/comzyh/.local/lib/python3.8/site-packages/git/__init__.py", line 76, in refresh    if not Git.refresh(path=path):  File "/home/comzyh/.local/lib/python3.8/site-packages/git/cmd.py", line 305, in refresh    raise ImportError(err)ImportError: Bad git executable.The git executable must be specified in one of the following ways:    - be included in your $PATH    - be set via $GIT_PYTHON_GIT_EXECUTABLE    - explicitly set via git.refresh()All git commands will error until this is rectified.This initial warning can be silenced or aggravated in the future by setting the$GIT_PYTHON_REFRESH environment variable. Use one of the following values:    - quiet|q|silence|s|none|n|0: for no warning or exception    - warn|w|warning|1: for a printed warning    - error|e|raise|r|2: for a raised exceptionExample:    export GIT_PYTHON_REFRESH=quietThe above exception was the direct cause of the following exception:Traceback (most recent call last):  File "<string>", line 1, in <module>  File "/home/comzyh/.local/lib/python3.8/site-packages/git/__init__.py", line 89, in <module>    raise ImportError('Failed to initialize: {0}'.format(exc)) from excImportError: Failed to initialize: Bad git executable.The git executable must be specified in one of the following ways:    - be included in your $PATH    - be set via $GIT_PYTHON_GIT_EXECUTABLE    - explicitly set via git.refresh()All git commands will error until this is rectified.This initial warning can be silenced or aggravated in the future by setting the$GIT_PYTHON_REFRESH environment variable. Use one of the following values:    - quiet|q|silence|s|none|n|0: for no warning or exception    - warn|w|warning|1: for a printed warning    - error|e|raise|r|2: for a raised exceptionExample:    export GIT_PYTHON_REFRESH=quiet

# Allow the user to have the command executed in their working dir.try:cwd=self._working_diroros.getcwd()# type: Union[None, str]exceptFileNotFoundError:cwd=Noneifnotos.access(cwd,os.X_OK):cwd=None