def function(inputs, outputs, updates=[], **kwargs):
    '''Instantiates a Keras function.

    # Arguments
        inputs: list of placeholder/variable tensors.
        outputs: list of output tensors.
        updates: list of update tuples (old_tensor, new_tensor).
    '''
    if len(kwargs) > 0:
        msg = [
            "Expected no kwargs, you passed %s" + len(kwargs),
            "kwargs passed to function are ignored with Tensorflow backend"
        ]
        warnings.warn('\n'.join(msg))
    return Function(inputs, outputs, updates=updates)
dataset/ETHPy150Open fchollet/keras/keras/backend/tensorflow_backend.py/function/operator `%` -> `+`