ValueError: The truth value of an array with more than one element is ambigious

[Drjiabin]

Hi! I meet another problem:
Traceback (most recent call last):
File "/cvmfs/mlgpu.ihep.ac.cn/anaconda3/envs/tensorflow-gpu/lib/python3.6/runpy.py", line 193, in _run_module_as_main
"main", mod_spec)
File "/cvmfs/mlgpu.ihep.ac.cn/anaconda3/envs/tensorflow-gpu/lib/python3.6/runpy.py", line 85, in _run_code
exec(code, run_globals)
File "/hpcfs/bes/mlgpu/cuijb/CaloGAN/models/train.py", line 232, in
sparsity_mbd=True
File "/hpcfs/bes/mlgpu/cuijb/CaloGAN/models/architectures.py", line 111, in build_discriminator
empirical_sparsity = sparsity_detector(image)
File "/cvmfs/mlgpu.ihep.ac.cn/anaconda3/envs/tensorflow-gpu/lib/python3.6/site-packages/keras/engine/topology.py", line 596, in call
output = self.call(inputs, **kwargs)
File "/cvmfs/mlgpu.ihep.ac.cn/anaconda3/envs/tensorflow-gpu/lib/python3.6/site-packages/keras/layers/core.py", line 652, in call
return self.function(inputs, **arguments)
File "/hpcfs/bes/mlgpu/cuijb/CaloGAN/models/ops.py", line 105, in sparsity_level
K.cast(x > 0.0, K.floatx()), axis=np.arange(1, len(_shape))
File "/cvmfs/mlgpu.ihep.ac.cn/anaconda3/envs/tensorflow-gpu/lib/python3.6/site-packages/keras/backend/tensorflow_backend.py", line 1189, in sum
axis = _normalize_axis(axis, ndim(x))
File "/cvmfs/mlgpu.ihep.ac.cn/anaconda3/envs/tensorflow-gpu/lib/python3.6/site-packages/keras/backend/tensorflow_backend.py", line 1134, in _normalize_axis
if axis is not None and axis < 0:
ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.all()