e74a37438b5389ae19eb61b431859f9789100874,keras/backend/tensorflow_backend.py,,function,#Any#Any#Any#,2272

Before Change

        Output values as Numpy arrays.
    
    if kwargs:
        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)

After Change

        ValueError: if invalid kwargs are passed in.
    
    if kwargs:
        for key in kwargs.keys():
            if (key not in inspect.getargspec(tf.Session.run)[0] and
                    key not in inspect.getargspec(Function.__init__)[0]):
                msg = "Invalid argument "%s" passed to K.function with Tensorflow backend" % key
                raise ValueError(msg)
    return Function(inputs, outputs, updates=updates, **kwargs)


def gradients(loss, variables):

Instances