parameters: (self)
docstring: Replace the mask by nomask if possible.
docstring_summary: Replace the mask by nomask if possible.
docstring_tokens: Replace the mask by nomask if possible .
function: def unmask (self):
          "Replace the mask by nomask if possible."
          if self._mask is nomask: return
          m = make_mask(self._mask, flag=1)
          if m is nomask:
              self._mask = nomask
              self._shared_mask = 0
function_tokens: def unmask ( self ) : if self . _mask is nomask : return m = make_mask ( self . _mask , flag = 1 ) if m is nomask : self . _mask = nomask self . _shared_mask = 0