Traceback (most recent call last):


 "examples/mnist_siamese.py", line 133, in <module>

validation_data=([te_pairs[:, 0], te_pairs[:, 1]], te_y))


 "build/bdist.linux-x86_64/egg/keras/engine/training.py", line 1603, in fit


 "build/bdist.linux-x86_64/egg/keras/engine/training.py", line 1155, in _fit_loop


 "build/bdist.linux-x86_64/egg/keras/engine/training.py", line 1332, in _test_loop


 "build/bdist.linux-x86_64/egg/keras/engine/training.py", line 374, in _make_batches
TypeError: float() argument must be a string or a number

Traceback (most recent call last):


 "C:\Users\S10500\AppData\Local\Continuum\anaconda3\lib\site-packages\spyder\widgets\ipythonconsole\client.py", line 575, in show_time

elapsed_time = time.monotonic() - self.t0
TypeError: unsupported operand type(s) for -: 'float' and 'NoneType'
