Update encoder.py

models/encoder.py

@@ -5,6 +5,7 @@ import mindspore.tensor as Tensor
 import mindspore.common.dtype as mstype
 import mindspore.common.dtype as mstype
 
+
 class ConvLayer(nn.Cell):
     def __init__(self, c_in):
         super(ConvLayer, self).__init__()