# numpy.testing.assert_no_gc_cycles

testing.assert_no_gc_cycles(*args, **kwargs)

  Fail if the given callable produces any reference cycles.

  If called with all arguments omitted, may be used as a context manager:

  > with assert_no_gc_cycles():

  >   do_something()

  New in version 1.15.0.

  Parameters:
    func callable

      The callable to test.

    *args Arguments

      Arguments passed to func.

    **kwargs Kwargs

      Keyword arguments passed to func.

  Returns:
    Nothing. The result is deliberately discarded to ensure that all cycles
    are found.