environment/lib/python2.7/site-packages/IPython/core/prefilter.py
def register_handler(self, name, handler, esc_strings):
        """Register a handler instance by name with esc_strings."""
        self._handlers[name] = handler
        for esc_str in esc_strings:
            self._esc_handlers[esc_str] = handler
def register_handler(self, name, handler, esc_strings):
        """Register a handler instance by name with esc_strings."""
        self._handlers[name] = handler
        for esc_str in esc_strings:
            self._esc_handlers[esc_str] = handler
Register a handler instance by name with esc_strings.