diff --git a/caikit_nlp/modules/text_generation/peft_prompt_tuning.py b/caikit_nlp/modules/text_generation/peft_prompt_tuning.py
index 96ffde63..26e365cb 100644
--- a/caikit_nlp/modules/text_generation/peft_prompt_tuning.py
+++ b/caikit_nlp/modules/text_generation/peft_prompt_tuning.py
@@ -33,10 +33,7 @@
 from torch.optim import AdamW
 from torch.utils.data import DataLoader
 from tqdm import tqdm
-from transformers import (
-    AutoModelForCausalLM,
-    default_data_collator,
-)
+from transformers import AutoModelForCausalLM, default_data_collator
 from transformers.models.auto.tokenization_auto import AutoTokenizer
 from transformers.optimization import get_linear_schedule_with_warmup
 import numpy as np
@@ -931,10 +928,7 @@ def _get_data_loaders_from_stream(
             torch.utils.data.DataLoader
                 DataLoader to be used for training / evaluating the stream data.
         """
-        (
-            tokenize_function,
-            _,
-        ) = base_model.build_task_tokenize_closure(
+        (tokenize_function, _,) = base_model.build_task_tokenize_closure(
             tokenizer, max_source_length, max_target_length, verbalizer, task_ids=0
         )
         mapped_stream = train_stream.map(tokenize_function)
diff --git a/caikit_nlp/resources/pretrained_model/hf_auto_causal_lm.py b/caikit_nlp/resources/pretrained_model/hf_auto_causal_lm.py
index 6c138726..27eaa769 100644
--- a/caikit_nlp/resources/pretrained_model/hf_auto_causal_lm.py
+++ b/caikit_nlp/resources/pretrained_model/hf_auto_causal_lm.py
@@ -19,13 +19,13 @@
 from typing import List, Union
 
 # Third Party
-import torch
 from transformers import (
     AutoModelForCausalLM,
     BatchEncoding,
     DataCollatorForLanguageModeling,
 )
 from transformers.models.auto import modeling_auto
+import torch
 
 # First Party
 from caikit.core.data_model import DataStream
@@ -37,7 +37,6 @@
 from ...data_model import GenerationTrainRecord, PromptOutputModelType
 from ...toolkit.verbalizer_utils import render_verbalizer
 from .base import PretrainedModelBase
-from .hf_auto_seq2seq_lm import HFAutoSeq2SeqLM
 
 log = alog.use_channel("HFRCLM")
 error = error_handler.get(log)
@@ -139,7 +138,6 @@ def tokenize_function(
             drop_remainder=drop_remainder,
         )
 
-
     def _get_data_collator(self, **kwargs) -> "transformers.DataCollator":
         """Function to return appropriate data collator based on resource.
 
@@ -169,11 +167,21 @@ def _get_data_collator(self, **kwargs) -> "transformers.DataCollator":
             tokenizer=self._tokenizer, return_tensors="pt", **collator_kwargs
         )
 
-
     ### Tokenization strategy implementations
     # Chunked causal language modeling
     @classmethod
-    def _causal_lm_as_chunked(cls, tokenizer, source, target,  max_source_length, max_target_length, batched_mode, task_ids, chunk_size, drop_remainder):
+    def _causal_lm_as_chunked(
+        cls,
+        tokenizer,
+        source,
+        target,
+        max_source_length,
+        max_target_length,
+        batched_mode,
+        task_ids,
+        chunk_size,
+        drop_remainder,
+    ):
         source_ids = tokenizer(source, max_length=max_source_length, truncation=True)
         target_ids = tokenizer(target, max_length=max_target_length, truncation=True)
 
@@ -197,7 +205,6 @@ def generator_func():
         # onto using batch encodings the way that they are intended to be
         return chunk_stream
 
-
     @staticmethod
     def _force_to_batch_encoding_list_of_chunks(
         source_ids: BatchEncoding,
@@ -260,13 +267,11 @@ def _force_to_batch_encoding_list_of_chunks(
             encodings += chunks
         return encodings
 
-
     @staticmethod
     def _concatenate_encodings(left, right):
         for k in left.keys():
             left[k] = left[k] + right[k]
 
-
     @staticmethod
     def _split_encoding_into_chunks(
         encoding: dict, chunk_size: int, drop_remainder: bool = False, task_ids=None
@@ -304,7 +309,6 @@ def _split_encoding_into_chunks(
             enc["task_ids"] = task_ids
         return chunked_encodings
 
-
     @staticmethod
     def _collapse_stream_into_encoding(
         stream: DataStream[BatchEncoding],
@@ -335,7 +339,6 @@ def _collapse_stream_into_encoding(
                 new_encoding[k].append(enc[k])
         return new_encoding
 
-
     # Causal language modeling as a sequence to sequence problem
     @staticmethod
     def _causal_lm_padding_as_seq2seq(
@@ -350,7 +353,7 @@ def _causal_lm_padding_as_seq2seq(
         what seq2seq tokenization is doing, but some care needs be taken to ensure the labels
         are the same length as the input sequence because of the shifting mechanism implemented
         in most causal language models.
-        
+
         Collator compatability is extremely important here; because we are setting the labels
         directly, we should NOT use the causal lm collator, otherwise it will clobber it with a
         shifted input sequence.
@@ -385,9 +388,7 @@ def _causal_lm_padding_as_seq2seq(
 
         label_input_ids = labels["input_ids"]
         model_inputs = tokenizer.pad(
-            model_inputs,
-            padding="max_length",
-            max_length=max_concat_length
+            model_inputs, padding="max_length", max_length=max_concat_length
         )
 
         if tokenizer.padding_side.lower() == "left":
diff --git a/tests/resources/test_pretrained_model.py b/tests/resources/test_pretrained_model.py
index c9251068..7ebf7868 100644
--- a/tests/resources/test_pretrained_model.py
+++ b/tests/resources/test_pretrained_model.py
@@ -10,9 +10,9 @@
 
 # Third Party
 from datasets import IterableDataset as TransformersIterableDataset
+from torch.utils.data import DataLoader
 import pytest
 import torch
-from torch.utils.data import DataLoader
 import transformers
 
 # First Party
@@ -229,6 +229,7 @@ def get(train_stream):
         for k in indiv_res:
             assert indiv_res[k] == batched_res[k]
 
+
 ### 2. Tests for causal LM framed as a seq2seq problem
 # NOTE: For these tests, we should be careful to always test left and right padding
 @pytest.mark.parametrize(
@@ -245,7 +246,9 @@ def test_causal_lm_as_a_sequence_problem_no_truncation(models_cache_dir, padding
     max_lengths = 20
     # First, build the output we expect for left / right respectively...
     input_tok = causal_lm.tokenizer.encode(sample.input)
-    output_tok = causal_lm.tokenizer.encode(sample.output) + [causal_lm.tokenizer.eos_token_id]
+    output_tok = causal_lm.tokenizer.encode(sample.output) + [
+        causal_lm.tokenizer.eos_token_id
+    ]
     concat_res = input_tok + output_tok
     masked_res = ([-100] * len(input_tok)) + output_tok
 
@@ -254,11 +257,15 @@ def test_causal_lm_as_a_sequence_problem_no_truncation(models_cache_dir, padding
     assert len(output_tok) < (max_lengths + 1)
     pads_needed = (1 + 2 * max_lengths) - len(concat_res)
     if causal_lm.tokenizer.padding_side.lower() == "left":
-        expected_input_ids = torch.tensor([causal_lm.tokenizer.pad_token_id] * pads_needed + concat_res)
+        expected_input_ids = torch.tensor(
+            [causal_lm.tokenizer.pad_token_id] * pads_needed + concat_res
+        )
         expected_attn_mask = torch.tensor([0] * pads_needed + [1] * len(concat_res))
         expected_labels = torch.tensor([-100] * pads_needed + masked_res)
     else:
-        expected_input_ids = torch.tensor(concat_res + [causal_lm.tokenizer.pad_token_id] * pads_needed)
+        expected_input_ids = torch.tensor(
+            concat_res + [causal_lm.tokenizer.pad_token_id] * pads_needed
+        )
         expected_attn_mask = torch.tensor([1] * len(concat_res) + [0] * pads_needed)
         expected_labels = torch.tensor(masked_res + [-100] * pads_needed)
 
@@ -327,6 +334,7 @@ def test_seq2seq_tok_output_correctness(models_cache_dir):
     assert hasattr(tok_sample, "task_ids")
     assert tok_sample["task_ids"] == 0
 
+
 ### Tests for collator compatability
 # These tests should validate that we can use our tokenization function to
 # build torch loaders around datasets using different collators.