ERROR: test_instance_norm (test_layers.TestLayer)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/luq/docker/paddle-docker/Paddle-bak/test/legacy_test/test_layers.py", line 987, in test_instance_norm
    _test_errors()
  File "/luq/docker/paddle-docker/Paddle-bak/test/legacy_test/test_layers.py", line 983, in _test_errors
    self.assertRaises(TypeError, test_type)
  File "/usr/lib/python3.7/unittest/case.py", line 756, in assertRaises
    return context.handle('assertRaises', args, kwargs)
  File "/usr/lib/python3.7/unittest/case.py", line 178, in handle
    callable_obj(*args, **kwargs)
  File "/luq/docker/paddle-docker/Paddle-bak/test/legacy_test/test_layers.py", line 981, in test_type
    ret2 = instanceNorm(input)
  File "/luq/docker/paddle-docker/Paddle-bak/build/python/paddle/nn/layer/layers.py", line 1426, in __call__
    return self._dygraph_call_func(*inputs, **kwargs)
  File "/luq/docker/paddle-docker/Paddle-bak/build/python/paddle/nn/layer/layers.py", line 1405, in _dygraph_call_func
    outputs = self.forward(*inputs, **kwargs)
  File "/luq/docker/paddle-docker/Paddle-bak/build/python/paddle/nn/layer/norm.py", line 114, in forward
    data_format=self._data_format,
  File "/luq/docker/paddle-docker/Paddle-bak/build/python/paddle/nn/functional/norm.py", line 445, in instance_norm
    out = _C_ops.instance_norm(x, weight, bias, eps)
ValueError: (InvalidArgument) instance_norm(): argument (position 1) must be OpResult, but got numpy.ndarray (at /luq/docker/paddle-docker/Paddle-bak/paddle/fluid/pybind/eager_utils.cc:2107)