environment/lib/python2.7/site-packages/IPython/core/builtin_trap.py
def deactivate(self):
        """Remove any builtins which might have been added by add_builtins, or
        restore overwritten ones to their previous values."""
        remove_builtin = self.remove_builtin
        for key, val in self._orig_builtins.iteritems():
            remove_builtin(key, val)
        self._orig_builtins.clear()
        self._builtins_added = False
def deactivate(self):
        remove_builtin = self.remove_builtin
        for key, val in self._orig_builtins.iteritems():
            remove_builtin(key, val)
        self._orig_builtins.clear()
        self._builtins_added = False
def deactivate ( self ) : remove_builtin = self . remove_builtin for key , val in self . _orig_builtins . iteritems ( ) : remove_builtin ( key , val ) self . _orig_builtins . clear ( ) self . _builtins_added = False
Remove any builtins which might have been added by add_builtins, or
        restore overwritten ones to their previous values.
Remove any builtins which might have been added by add_builtins or restore overwritten ones to their previous values .