docs: def scopes_as(self, new_scopes):
          """Replace my :attr:`scopes` for the duration of the with block.
  
          My global scope is not replaced.
  
          Args:
              new_scopes (list of dict-likes): The new :attr:`scopes` to use.
          """
          old_scopes, self.scopes = self.scopes, new_scopes
          yield
          self.scopes = old_scopes