diff --git a/mmf/common/registry.py b/mmf/common/registry.py
index bf077733f..9045178b8 100644
--- a/mmf/common/registry.py
+++ b/mmf/common/registry.py
@@ -28,6 +28,7 @@
 - Register a test reporter: ``@registry.register_test_reporter``
 - Register a pl datamodule: ``@registry.register_datamodule``
 """
+
 from mmf.utils.env import setup_imports
 
 
@@ -508,9 +509,9 @@ def wrap(iteration_strategy_cls):
             assert issubclass(
                 iteration_strategy_cls, IterationStrategy
             ), "All datamodules must inherit IterationStrategy class"
-            cls.mapping["iteration_strategy_name_mapping"][
-                name
-            ] = iteration_strategy_cls
+            cls.mapping["iteration_strategy_name_mapping"][name] = (
+                iteration_strategy_cls
+            )
             return iteration_strategy_cls
 
         return wrap
diff --git a/mmf/common/sample.py b/mmf/common/sample.py
index 13be35310..acac2754e 100644
--- a/mmf/common/sample.py
+++ b/mmf/common/sample.py
@@ -163,8 +163,9 @@ def __setattr__(self, key, value):
     def __getattr__(self, key):
         if key not in self:
             raise AttributeError(
-                "Key {} not found in the SampleList. "
-                "Valid choices are {}".format(key, self.fields())
+                "Key {} not found in the SampleList. " "Valid choices are {}".format(
+                    key, self.fields()
+                )
             )
         fields = self.keys()
 
@@ -245,8 +246,9 @@ def get_fields(self, fields):
         for field in fields:
             if field not in current_fields:
                 raise AttributeError(
-                    "{} not present in SampleList. "
-                    "Valid choices are {}".format(field, current_fields)
+                    "{} not present in SampleList. " "Valid choices are {}".format(
+                        field, current_fields
+                    )
                 )
             return_list.add_field(field, self[field])
 
@@ -396,7 +398,7 @@ def to_dict(self) -> Dict[str, Any]:
 
 
 def convert_batch_to_sample_list(
-    batch: Union[SampleList, Dict[str, Any]]
+    batch: Union[SampleList, Dict[str, Any]],
 ) -> SampleList:
     # Create and return sample list with proper name
     # and type set if it is already not a sample list
@@ -405,9 +407,7 @@ def convert_batch_to_sample_list(
     if (
         # Check if batch is a list before checking batch[0]
         # or len as sometimes batch is already SampleList
-        isinstance(batch, list)
-        and len(batch) == 1
-        and isinstance(batch[0], SampleList)
+        isinstance(batch, list) and len(batch) == 1 and isinstance(batch[0], SampleList)
     ):
         sample_list = batch[0]
     elif not isinstance(batch, SampleList):
diff --git a/mmf/datasets/base_dataset_builder.py b/mmf/datasets/base_dataset_builder.py
index 463f29830..533836705 100644
--- a/mmf/datasets/base_dataset_builder.py
+++ b/mmf/datasets/base_dataset_builder.py
@@ -34,6 +34,7 @@ def build(self, config, dataset_type, *args, **kwargs):
 
 .. _here: https://github.com/facebookresearch/mmf/blob/main/mmf/datasets/vqa/vqa2/builder.py
 """
+
 import uuid
 from typing import Optional
 
diff --git a/mmf/datasets/builders/charades/_utils.py b/mmf/datasets/builders/charades/_utils.py
index d59b632a6..fd423062d 100644
--- a/mmf/datasets/builders/charades/_utils.py
+++ b/mmf/datasets/builders/charades/_utils.py
@@ -124,8 +124,9 @@ def get_clip(self, idx):
         """
         if idx >= self.num_clips():
             raise IndexError(
-                "Index {} out of range "
-                "({} number of clips)".format(idx, self.num_clips())
+                "Index {} out of range " "({} number of clips)".format(
+                    idx, self.num_clips()
+                )
             )
         video_path = self.video_paths[idx]
         clip_pts = self.clips[idx]
diff --git a/mmf/datasets/multi_dataset_loader.py b/mmf/datasets/multi_dataset_loader.py
index 9aff9ee40..5456c73d8 100644
--- a/mmf/datasets/multi_dataset_loader.py
+++ b/mmf/datasets/multi_dataset_loader.py
@@ -3,6 +3,7 @@
 MultiDatasetLoader class is used by DatasetLoader class to load multiple datasets
 and more granular
 """
+
 import logging
 import warnings
 from typing import Dict, Iterator
diff --git a/mmf/datasets/processors/frcnn_processor.py b/mmf/datasets/processors/frcnn_processor.py
index cd454b122..14a5b6c52 100644
--- a/mmf/datasets/processors/frcnn_processor.py
+++ b/mmf/datasets/processors/frcnn_processor.py
@@ -1,19 +1,20 @@
 # Copyright (c) Facebook, Inc. and its affiliates.
 
 """
- coding=utf-8
- Copyright 2018, Antonio Mendoza Hao Tan, Mohit Bansal
- Adapted From Facebook Inc, Detectron2
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-     http://www.apache.org/licenses/LICENSE-2.0
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.import copy
- """
+coding=utf-8
+Copyright 2018, Antonio Mendoza Hao Tan, Mohit Bansal
+Adapted From Facebook Inc, Detectron2
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+    http://www.apache.org/licenses/LICENSE-2.0
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.import copy
+"""
+
 import os
 import sys
 from dataclasses import dataclass
diff --git a/mmf/models/base_model.py b/mmf/models/base_model.py
index 6a7fc8dd1..fd060606d 100644
--- a/mmf/models/base_model.py
+++ b/mmf/models/base_model.py
@@ -39,7 +39,6 @@ def forward(self, sample_list):
             return {"scores": scores}
 """
 
-
 import collections
 import logging
 import warnings
diff --git a/mmf/models/frcnn.py b/mmf/models/frcnn.py
index 13058134e..d968b86fd 100644
--- a/mmf/models/frcnn.py
+++ b/mmf/models/frcnn.py
@@ -1,22 +1,22 @@
 # Copyright (c) Facebook, Inc. and its affiliates.
 
 """
- coding=utf-8
- Copyright 2018, Antonio Mendoza Hao Tan, Mohit Bansal
- Adapted From Facebook Inc, Detectron2 && Huggingface Co.
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
-     http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.import copy
- """
+coding=utf-8
+Copyright 2018, Antonio Mendoza Hao Tan, Mohit Bansal
+Adapted From Facebook Inc, Detectron2 && Huggingface Co.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.import copy
+"""
 
 from typing import List
 
diff --git a/mmf/models/mmf_bert.py b/mmf/models/mmf_bert.py
index f84c1debd..09c06763a 100644
--- a/mmf/models/mmf_bert.py
+++ b/mmf/models/mmf_bert.py
@@ -382,9 +382,9 @@ def forward(self, sample_list):
                         seq_relationship_score.contiguous().view(-1, 2),
                         is_random_next.contiguous().view(-1),
                     )
-                    output_dict["losses"][
-                        loss_key + "/next_sentence_loss"
-                    ] = next_sentence_loss
+                    output_dict["losses"][loss_key + "/next_sentence_loss"] = (
+                        next_sentence_loss
+                    )
             return output_dict
         elif (
             "vqa" in self.config.training_head_type
diff --git a/mmf/models/unit/backbone.py b/mmf/models/unit/backbone.py
index 25cc0772c..6518ef982 100644
--- a/mmf/models/unit/backbone.py
+++ b/mmf/models/unit/backbone.py
@@ -5,6 +5,7 @@
 """
 Backbone modules.
 """
+
 import math
 from collections import OrderedDict
 
diff --git a/mmf/models/unit/matcher.py b/mmf/models/unit/matcher.py
index 89d0968ee..58eb7dfd6 100644
--- a/mmf/models/unit/matcher.py
+++ b/mmf/models/unit/matcher.py
@@ -5,6 +5,7 @@
 """
 Modules to compute the matching cost and solve the corresponding LSAP.
 """
+
 from typing import Dict, List
 
 import torch
diff --git a/mmf/modules/losses.py b/mmf/modules/losses.py
index 7c34c9d95..2aa260861 100644
--- a/mmf/modules/losses.py
+++ b/mmf/modules/losses.py
@@ -25,6 +25,7 @@ class CustomLoss(nn.Module):
                - type: custom
                - params: {}
 """
+
 import collections
 import warnings
 from dataclasses import dataclass
diff --git a/mmf/modules/poolers.py b/mmf/modules/poolers.py
index 019beabc4..c2174a139 100644
--- a/mmf/modules/poolers.py
+++ b/mmf/modules/poolers.py
@@ -12,6 +12,7 @@
    class CustomPool(nn.Module):
        ...
 """
+
 from typing import Any, List
 
 import torch
diff --git a/mmf/utils/configuration.py b/mmf/utils/configuration.py
index 6f23a81c4..256185dd6 100644
--- a/mmf/utils/configuration.py
+++ b/mmf/utils/configuration.py
@@ -248,8 +248,9 @@ def _merge_with_dotlist(
 
                     raise AttributeError(
                         "While updating configuration",
-                        "option {} is not present "
-                        "after field {}".format(opt, stripped_field),
+                        "option {} is not present " "after field {}".format(
+                            opt, stripped_field
+                        ),
                     )
 
     return config
diff --git a/mmf/utils/download.py b/mmf/utils/download.py
index 7c8556878..6aa7dc734 100644
--- a/mmf/utils/download.py
+++ b/mmf/utils/download.py
@@ -9,6 +9,7 @@
 
 These can be replaced if your particular file system does not support them.
 """
+
 import collections
 import datetime
 import hashlib
diff --git a/mmf/utils/features/visualizing_image.py b/mmf/utils/features/visualizing_image.py
index bb4b3f34e..b9c093162 100644
--- a/mmf/utils/features/visualizing_image.py
+++ b/mmf/utils/features/visualizing_image.py
@@ -1,19 +1,20 @@
 # Copyright (c) Facebook, Inc. and its affiliates.
 
 """
- coding=utf-8
- Copyright 2018, Antonio Mendoza Hao Tan, Mohit Bansal
- Adapted From Facebook Inc, Detectron2
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-     http://www.apache.org/licenses/LICENSE-2.0
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.import copy
- """
+coding=utf-8
+Copyright 2018, Antonio Mendoza Hao Tan, Mohit Bansal
+Adapted From Facebook Inc, Detectron2
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+    http://www.apache.org/licenses/LICENSE-2.0
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.import copy
+"""
+
 import colorsys
 import io
 import os
diff --git a/mmf/utils/general.py b/mmf/utils/general.py
index 6579c3e21..1a023e8db 100644
--- a/mmf/utils/general.py
+++ b/mmf/utils/general.py
@@ -300,8 +300,9 @@ def get_batch_size():
 
     if batch_size % world_size != 0:
         raise RuntimeError(
-            "Batch size {} must be divisible by number "
-            "of GPUs {} used.".format(batch_size, world_size)
+            "Batch size {} must be divisible by number " "of GPUs {} used.".format(
+                batch_size, world_size
+            )
         )
 
     return batch_size // world_size
diff --git a/mmf/utils/text.py b/mmf/utils/text.py
index 4f6a68b1c..d04f6dd34 100644
--- a/mmf/utils/text.py
+++ b/mmf/utils/text.py
@@ -14,6 +14,7 @@
                - type: greedy
                - params: {}
 """
+
 import os
 import re
 from collections import Counter
diff --git a/mmf_cli/torchx_entryscript.py b/mmf_cli/torchx_entryscript.py
index 1d46ed974..87e29415e 100644
--- a/mmf_cli/torchx_entryscript.py
+++ b/mmf_cli/torchx_entryscript.py
@@ -2,6 +2,7 @@
 """
 Entrypoint script used by TorchX to start the training run in each process
 """
+
 from mmf_cli.fb_run import fb_scheduler_run
 
 
diff --git a/tests/models/test_mmf_transformer.py b/tests/models/test_mmf_transformer.py
index b259b0806..0941061aa 100644
--- a/tests/models/test_mmf_transformer.py
+++ b/tests/models/test_mmf_transformer.py
@@ -69,9 +69,9 @@ def test_finetune_roberta_base(self):
 
     @test_utils.skip_if_no_network
     def test_finetune_xlmr_base(self):
-        self.config.model_config[self.model_name][
-            "transformer_base"
-        ] = "xlm-roberta-base"
+        self.config.model_config[self.model_name]["transformer_base"] = (
+            "xlm-roberta-base"
+        )
         model = build_model(self.config.model_config[self.model_name])
         model.eval()
         self.assertTrue(
diff --git a/tools/scripts/features/frcnn/frcnn_utils.py b/tools/scripts/features/frcnn/frcnn_utils.py
index 0fd9fa3ed..228b20952 100644
--- a/tools/scripts/features/frcnn/frcnn_utils.py
+++ b/tools/scripts/features/frcnn/frcnn_utils.py
@@ -1,19 +1,19 @@
 # Copyright (c) Facebook, Inc. and its affiliates.
 
 """
- coding=utf-8
- Copyright 2018, Antonio Mendoza Hao Tan, Mohit Bansal, Huggingface team :)
- Adapted From Facebook Inc, Detectron2
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-     http://www.apache.org/licenses/LICENSE-2.0
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.import copy
- """
+coding=utf-8
+Copyright 2018, Antonio Mendoza Hao Tan, Mohit Bansal, Huggingface team :)
+Adapted From Facebook Inc, Detectron2
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+    http://www.apache.org/licenses/LICENSE-2.0
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.import copy
+"""
 
 import copy
 import json
diff --git a/tools/scripts/features/frcnn/modeling_frcnn.py b/tools/scripts/features/frcnn/modeling_frcnn.py
index 28409cffe..b6cbcee4a 100644
--- a/tools/scripts/features/frcnn/modeling_frcnn.py
+++ b/tools/scripts/features/frcnn/modeling_frcnn.py
@@ -1,22 +1,23 @@
 # Copyright (c) Facebook, Inc. and its affiliates.
 
 """
- coding=utf-8
- Copyright 2018, Antonio Mendoza Hao Tan, Mohit Bansal
- Adapted From Facebook Inc, Detectron2 && Huggingface Co.
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
-     http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.import copy
- """
+coding=utf-8
+Copyright 2018, Antonio Mendoza Hao Tan, Mohit Bansal
+Adapted From Facebook Inc, Detectron2 && Huggingface Co.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.import copy
+"""
+
 import itertools
 import math
 import os
diff --git a/tools/scripts/features/frcnn/processing_image.py b/tools/scripts/features/frcnn/processing_image.py
index 1a9b7ce85..148a9cef7 100644
--- a/tools/scripts/features/frcnn/processing_image.py
+++ b/tools/scripts/features/frcnn/processing_image.py
@@ -1,19 +1,20 @@
 # Copyright (c) Facebook, Inc. and its affiliates.
 
 """
- coding=utf-8
- Copyright 2018, Antonio Mendoza Hao Tan, Mohit Bansal
- Adapted From Facebook Inc, Detectron2
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-     http://www.apache.org/licenses/LICENSE-2.0
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.import copy
- """
+coding=utf-8
+Copyright 2018, Antonio Mendoza Hao Tan, Mohit Bansal
+Adapted From Facebook Inc, Detectron2
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+    http://www.apache.org/licenses/LICENSE-2.0
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.import copy
+"""
+
 from typing import Tuple
 
 import torch