parameters: (self, path)
return_statement: return '' if path == self._root else path[len(self._root)+1:]
docstring: Return file path related to root dir
docstring_summary: Return file path related to root dir
docstring_tokens: Return file path related to root dir
function: def _relpath(self, path):
          """
          Return file path related to root dir
          """
          return '' if path == self._root else path[len(self._root)+1:]
function_tokens: def _relpath ( self , path ) : return '' if path == self . _root else path [ len ( self . _root ) + 1 : ]