code: def call(__self, __context, __obj, *args, **kwargs):
          
          # the double prefixes are to avoid double keyword argument
          # errors when proxying the call.
          if not __self.is_safe_callable(__obj):
              raise SecurityError('%r is not safely callable' % (__obj,))
          return __context.call(__obj, *args, **kwargs)
docs: Call an object from sandboxed code.