i = self.recurrent_activation(x_i + K.dot(h_tm1_i, self.recurrent_kernel_i))

x_i = K.dot(inputs_i, self.kernel_i)

K.dot(h_tm1_i, self.recurrent_kernel_i))

ValueError: Dimensions must be equal, but are 2 and 5 for 'add_1' (op: 'Add') with input shapes: [5,2,3], [5,3].