parameters: (cls, location)
docstring: Return the current commit id of the files at the given location.
function: def get_revision(cls, location):
  
          # type: (str) -> str
  
          """
  
          Return the current commit id of the files at the given location.
  
          """
  
          raise NotImplementedError
function_tokens: def get_revision ( cls , location ) : # type: (str) -> str raise NotImplementedError