diff --git a/ros/angel_system_nodes/angel_system_nodes/audio/asr.py b/ros/angel_system_nodes/angel_system_nodes/audio/asr.py
index de09efb7..d172a97f 100644
--- a/ros/angel_system_nodes/angel_system_nodes/audio/asr.py
+++ b/ros/angel_system_nodes/angel_system_nodes/audio/asr.py
@@ -75,7 +75,7 @@ class ASR(dialogue.AbstractDialogueNode):
         self._feedback_topic = (
             self.get_parameter(FEEDBACK_TOPIC).get_parameter_value().string_value
         )
-    
+
         self.log.info(
             f"Audio topic: "
             f"({type(self._audio_topic).__name__}) "
@@ -226,11 +226,11 @@ class ASR(dialogue.AbstractDialogueNode):
         published_msg.utterance_text = text
         colored_utterance = colored(published_msg.utterance_text, "light_blue")
         self.log.info("Publishing message: " + f'"{colored_utterance}"')
-        
+
         if (
-            "angela" in text.lower() 
-            or "angel" in text.lower() 
-            or "angela," in text.lower() 
+            "angela" in text.lower()
+            or "angel" in text.lower()
+            or "angela," in text.lower()
             or "angel," in text.lower()
         ):
             self.log.info("Publish thinking feedback")
@@ -246,6 +246,7 @@ class ASR(dialogue.AbstractDialogueNode):
         publish_msg.response = "thinking"
         self._feedback_publisher.publish(publish_msg)
 
+
 main = make_default_main(ASR)
 
 
diff --git a/ros/angel_system_nodes/angel_system_nodes/audio/question_answerer.py b/ros/angel_system_nodes/angel_system_nodes/audio/question_answerer.py
index 5a329d10..584f6f9d 100644
--- a/ros/angel_system_nodes/angel_system_nodes/audio/question_answerer.py
+++ b/ros/angel_system_nodes/angel_system_nodes/audio/question_answerer.py
@@ -33,6 +33,7 @@ CHAT_HISTORY_LENGTH = "chat_history_length"
 IMAGE_TOPIC = "image_topic"
 TASK_STATE_TOPIC = "task_state_topic"
 
+
 class QuestionAnswerer(dialogue.AbstractDialogueNode):
     def __init__(self):
         super().__init__()
@@ -152,7 +153,7 @@ class QuestionAnswerer(dialogue.AbstractDialogueNode):
         jpg_container = io.BytesIO()
         img_rgb.save(jpg_container, format="JPEG")
         self.image_msg = base64.b64encode(jpg_container.getvalue()).decode("utf-8")
-        
+
     def question_answer_callback(self, msg):
         self.log.debug(f"Received message:\n\n{msg.utterance_text}")
         if not self._apply_filter(msg):
@@ -169,7 +170,7 @@ class QuestionAnswerer(dialogue.AbstractDialogueNode):
             optional_fields = self._get_optional_fields_string(
                 self.current_step, self.completed_steps
             )
-            
+
             response = self.get_response(msg, optional_fields)
             self.publish_generated_response(msg, response)
 
@@ -207,9 +208,9 @@ class QuestionAnswerer(dialogue.AbstractDialogueNode):
                 "model": model,
                 "messages": [
                     {
-                        "role": "user", 
+                        "role": "user",
                         "content": [
-                            { 
+                            {
                                 "type": "text",
                                 "text": "Use the image to answer the question."
                                 + prompt,
@@ -217,7 +218,7 @@ class QuestionAnswerer(dialogue.AbstractDialogueNode):
                             {
                                 "type": "image_url",
                                 "image_url": {
-                                    "url": "data:image/jpeg;base64,"+self.image_msg
+                                    "url": "data:image/jpeg;base64," + self.image_msg
                                 },
                             },
                         ],
@@ -225,8 +226,7 @@ class QuestionAnswerer(dialogue.AbstractDialogueNode):
                 ],
                 "temperature": 0.0,
                 "max_tokens": 128,
-        }
-
+            }
 
         req = requests.post(
             "https://api.openai.com/v1/chat/completions",
@@ -306,9 +306,9 @@ class QuestionAnswerer(dialogue.AbstractDialogueNode):
         msg if it can be included.
         """
         if (
-            "angela" in msg.utterance_text.lower() 
-            or "angel" in msg.utterance_text.lower() 
-            or "angela," in msg.utterance_text.lower() 
+            "angela" in msg.utterance_text.lower()
+            or "angel" in msg.utterance_text.lower()
+            or "angela," in msg.utterance_text.lower()
             or "angel," in msg.utterance_text.lower()
         ):
             return msg
diff --git a/ros/angel_system_nodes/angel_system_nodes/task_monitoring/global_step_predictor.py b/ros/angel_system_nodes/angel_system_nodes/task_monitoring/global_step_predictor.py
index 3808fcb0..9bcb6bd5 100644
--- a/ros/angel_system_nodes/angel_system_nodes/task_monitoring/global_step_predictor.py
+++ b/ros/angel_system_nodes/angel_system_nodes/task_monitoring/global_step_predictor.py
@@ -51,7 +51,6 @@ PARAM_GT_VIDEO_ID = "gt_video_id"
 PARAM_GT_OUTPUT_DIR = "gt_output_dir"  # output directory override.
 
 
-
 VALID_STEP_MODES = {"broad", "granular"}