04a81e9f606dcc4217ff0e43944f1c9dbfa7e35b,enthought/chaco/tools/tool_history_mixin.py,ToolHistoryMixin,_history_handle_key,#ToolHistoryMixin#,120

Before Change

        return
    
    def _history_handle_key(self, event):
        if self.reset_state_key.match(event):
            self._history_index = 0
            self._reset_state_pressed()
            event.handled = True

After Change

        return
    
    def _history_handle_key(self, event):
        if self.reset_state_key is not None and self.reset_state_key.match(event):
            self._history_index = 0
            self._reset_state_pressed()
            event.handled = True

Instances