parameters: (self)
docstring: Delete all whitespace from the end of the line.
docstring_summary: Delete all whitespace from the end of the line.
docstring_tokens: Delete all whitespace from the end of the line .
function: def _delete_whitespace(self):
          """Delete all whitespace from the end of the line."""
          while isinstance(self._lines[-1], (self._Space, self._LineBreak,
                                             self._Indent)):
              del self._lines[-1]
function_tokens: def _delete_whitespace ( self ) : while isinstance ( self . _lines [ - 1 ] , ( self . _Space , self . _LineBreak , self . _Indent ) ) : del self . _lines [ - 1 ]