<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def on_btn_delete_fit(self, event):
 """ removes the current interpretation Parameters event : the wx.ButtonEvent that triggered this function """

        self.delete_fit(self.current_fit, specimen=self.s)