(self, event, hook)
Deregister a previously registered hook.
        Returns True if the hook existed, False if not.
Deregister a previously registered hook.
        Returns True if the hook existed, False if not.
Deregister a previously registered hook . Returns True if the hook existed False if not .
def deregister_hook(self, event, hook):
        """Deregister a previously registered hook.
        Returns True if the hook existed, False if not.
        """

        try:
            self.hooks[event].remove(hook)
            return True
        except ValueError:
            return False
def deregister_hook ( self , event , hook ) : try : self . hooks [ event ] . remove ( hook ) return True except ValueError : return False