added some spaces for visibility.

main.py

@@ -7,7 +7,9 @@ from pytube import YouTube
 def get_api_key():
     try:
         print("Retreiving OpenAI API Key...")
+
         OPENAI_API_KEY = os.environ.get('OPENAI_API_KEY')
+
         print(f"Retreived OpenAI API Key.")
         return OPENAI_API_KEY
     except Exception as e:
@@ -18,9 +20,11 @@ def get_api_key():
 def download(video_url, output_filename='audio.mp4'):
     try:
         print("Downloading audio...")
+
         yt = YouTube(video_url)
         audio_stream = yt.streams.get_audio_only()
         audio_filename = audio_stream.download(filename=output_filename)
+
         print(f"Downloaded audio.")
         return audio_filename
     except Exception as e:
@@ -49,6 +53,7 @@ def transcription(OPENAI_API_KEY, audio_filename):
 def summary(OPENAI_API_KEY, transcript):
     try:
         print("Summarizing transcript...")
+
         client = OpenAI(api_key=OPENAI_API_KEY)
         stream = client.chat.completions.create(
             model="gpt-4",
@@ -72,7 +77,9 @@ def summary(OPENAI_API_KEY, transcript):
 def cleanup(audio_filename):
     try:
         print("Deleting audio...")
+
         os.remove(audio_filename)
+
         print(f"Deleted audio.")
     except Exception as e:
         print(f"Failed to delete audio: {e}")
@@ -83,6 +90,7 @@ def main():
     try:
         OPENAI_API_KEY = get_api_key()
         video_url = str(input("Video url: "))
+        
         if OPENAI_API_KEY is not None:
             audio_filename = download(video_url)
             if audio_filename is not None: