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
Deregister a previously registered hook.
        Returns True if the hook existed, False if not.
        
Solutions/CyberArkAudit/Data Connectors/.python_packages/lib/site-packages/requests/models.py