code: def _is_exception(exceptions, before_token, after_token, token):
      
      if not exceptions:
          return False
      for s in exceptions:
          if before_token.endswith(s):
              return True
          if s in token:
              return True
      return False
docs: Predicate for whether the open token is in an exception context
  
      :arg exceptions: list of strings or None
      :arg before_token: the text of the function up to the token delimiter
      :arg after_token: the text of the function after the token delimiter
      :arg token: the token (only if we're looking at a close delimiter
  
      :returns: bool