regex expression changed

app.py

@@ -35,7 +35,7 @@ def get_caption(image_in):
     #print(full_sentence)
 
     # Find the pattern matching the expected format ("Describe this image in detail:" followed by optional space and then the rest)...
-    pattern = r'(?<=Describe this image in detail:\s*)(.*)$'
+    pattern = r'^Describe this image in detail:\s*(.*)$'
     # Apply the regex pattern to extract the description text.
     match = re.search(pattern, full_sentence)
     if match: