A merge layer should be called on a list of inputs

[liuyuer]

Traceback (most recent call last):
File "example.py", line 50, in
test_my_layer()
File "example.py", line 39, in test_my_layer
b = WeightedAdd()(a)
File "/usr/local/lib/python2.7/dist-packages/keras/engine/topology.py", line 590, in call
self.build(input_shapes[0])
File "/usr/local/lib/python2.7/dist-packages/keras/layers/merge.py", line 68, in build
raise ValueError('A merge layer should be called '
ValueError: A merge layer should be called on a list of inputs.

Keras on Tensorflow 1.5

[haifeng-jin]

Thank you for your report.
This bug is fixed in the latest release.

If you find it is not, please reopen the issue.

[olfaa]

Please can you help me I find the same error when I fine tune Unet architecture.