message: Add stride validation to convolutional layers.
diff: @@ -179,6 +179,10 @@ class Conv(Layer):
  raise ValueError('The argument `kernel_size` cannot contain 0(s). '
  'Received: %s' % (self.kernel_size,))
  + if not all(self.strides):
  + raise ValueError('The argument `strides` cannot contains 0(s). '
  + 'Received: %s' % (self.strides,))
  +
  if (self.padding == 'causal' and not isinstance(self,
  (Conv1D, SeparableConv1D))):
  raise ValueError('Causal padding is only supported for `Conv1D`'
  