redo chat prompt if bad response

narrator.py

@@ -54,6 +54,7 @@ def generate_new_line(base64_image):
 
 
 def analyze_image(base64_image, script):
+    while True:
         response = client.chat.completions.create(
             model="gpt-4-vision-preview",
             messages=[
@@ -61,15 +62,19 @@ def analyze_image(base64_image, script):
                     "role": "system",
                     "content": """
                     You are Sir David Attenborough. Narrate the picture of the human as if it is a nature documentary.
-                Make it snarky and funny. Don't repeat yourself. Make it short. If I do anything remotely interesting, make a big deal about it!
+                    Make it snarky and funny. Don't repeat yourself. Make it short. Max two sentence. If I do anything remotely interesting, make a big deal about it!
                     """,
                 },
             ]
             + script
             + generate_new_line(base64_image),
-        max_tokens=500,
+            max_tokens=200,
         )
         response_text = response.choices[0].message.content
+
+        if not response_text.startswith("I'm sorry"):
+            break
+
     return response_text