[NFC] polish colossalai/nn/layer/parallel_1d/layers.py code style (#1290)

colossalai/nn/layer/parallel_1d/layers.py

@@ -176,7 +176,6 @@ class Classifier1D(ParallelLayer):
         set_parallel_input(False)
         env.vocab_parallel = False
 
-
     def reset_parameters(self, weight_initializer, bias_initializer) -> None:
         fan_in, fan_out = self.in_features, self.num_classes
         if self.has_weight:
@@ -450,7 +449,6 @@ class Linear1D_Col(ParallelLayer):
         is_parallel_output = not self.gather_output
         set_parallel_input(is_parallel_output)
 
-
     def reset_parameters(self, weight_initializer, bias_initializer) -> None:
         fan_in, fan_out = self.in_features, self.out_features
         weight_initializer(self.weight, fan_in=fan_in, fan_out=fan_out)
@@ -589,7 +587,6 @@ class Linear1D_Row(ParallelLayer):
         self._set_tensor_parallel_attributes()
         set_parallel_input(False)
 
-
     def reset_parameters(self, weight_initializer, bias_initializer) -> None:
         fan_in, fan_out = self.in_features, self.out_features
         weight_initializer(self.weight, fan_in=fan_in, fan_out=fan_out)