diff --git a/models/openai_model.py b/models/openai_model.py
index 7b25807..5753041 100644
--- a/models/openai_model.py
+++ b/models/openai_model.py
@@ -634,7 +634,7 @@ class Model:
                 await self.usage_service.update_usage(tokens_used)
         except Exception as e:
             traceback.print_exc()
-            if 'error' in response:
+            if "error" in response:
                 raise ValueError(
                     "The API returned an invalid response: "
                     + str(response["error"]["message"])
@@ -1018,7 +1018,11 @@ class Model:
         # Validate that  all the parameters are in a good state before we send the request
 
         if not max_tokens_override:
-            if model and model not in Models.GPT4_MODELS and model not in Models.CHATGPT_MODELS:
+            if (
+                model
+                and model not in Models.GPT4_MODELS
+                and model not in Models.CHATGPT_MODELS
+            ):
                 max_tokens_override = Models.get_max_tokens(model) - tokens
 
         print(f"The prompt about to be sent is {prompt}")
diff --git a/tests/test_requests.py b/tests/test_requests.py
index aec41fd..0daf2a6 100644
--- a/tests/test_requests.py
+++ b/tests/test_requests.py
@@ -10,24 +10,24 @@ from services.usage_service import UsageService
 # Non-ChatGPT -> TODO: make generic test and loop through text models
 @pytest.mark.asyncio
 async def test_send_req():
-
     usage_service = UsageService(Path("../tests"))
     model = Model(usage_service)
-    prompt = 'how many hours are in a day?'
+    prompt = "how many hours are in a day?"
     tokens = len(GPT2TokenizerFast.from_pretrained("gpt2")(prompt)["input_ids"])
     res = await model.send_request(prompt, tokens)
-    assert '24' in res['choices'][0]['text']
+    assert "24" in res["choices"][0]["text"]
 
 
 # ChatGPT version
 @pytest.mark.asyncio
 async def test_send_req_gpt():
-
     usage_service = UsageService(Path("../tests"))
     model = Model(usage_service)
-    prompt = 'how many hours are in a day?'
-    res = await model.send_request(prompt, None, is_chatgpt_request=True, model="gpt-3.5-turbo")
-    assert '24' in res['choices'][0]['message']['content']
+    prompt = "how many hours are in a day?"
+    res = await model.send_request(
+        prompt, None, is_chatgpt_request=True, model="gpt-3.5-turbo"
+    )
+    assert "24" in res["choices"][0]["message"]["content"]
 
 
 # GPT4 version
@@ -35,9 +35,9 @@ async def test_send_req_gpt():
 async def test_send_req_gpt4():
     usage_service = UsageService(Path("../tests"))
     model = Model(usage_service)
-    prompt = 'how many hours are in a day?'
+    prompt = "how many hours are in a day?"
     res = await model.send_request(prompt, None, is_chatgpt_request=True, model="gpt-4")
-    assert '24' in res['choices'][0]['message']['content']
+    assert "24" in res["choices"][0]["message"]["content"]
 
 
 # Edit request -> currently broken due to endpoint
@@ -48,4 +48,3 @@ async def test_send_req_gpt4():
 #     text = 'how many hours are in a day?'
 #     res = await model.send_edit_request(text, codex=True)
 #     assert '24' in res['choices'][0]['text']
-