Black 20 release

src/transformers/modeling_tf_ctrl.py

@@ -245,8 +245,8 @@ class TFCTRLMainLayer(tf.keras.layers.Layer):
         raise NotImplementedError
 
     def _prune_heads(self, heads_to_prune):
-        """ Prunes heads of the model.
-                heads_to_prune: dict of {layer_num: list of heads to prune in this layer}
+        """Prunes heads of the model.
+        heads_to_prune: dict of {layer_num: list of heads to prune in this layer}
         """
         raise NotImplementedError
 
@@ -426,8 +426,8 @@ class TFCTRLMainLayer(tf.keras.layers.Layer):
 
 
 class TFCTRLPreTrainedModel(TFPreTrainedModel):
-    """ An abstract class to handle weights initialization and
-        a simple interface for downloading and loading pretrained models.
+    """An abstract class to handle weights initialization and
+    a simple interface for downloading and loading pretrained models.
     """
 
     config_class = CTRLConfig