Correct flag mistakes

app.py

@@ -49,6 +49,12 @@ def respond(
         token = message.choices[0].delta.content
 
         response += token
+        
+        import difflib
+        close_matches = difflib.get_close_matches(flag, response.split(), n=1, cutoff=0.6)
+        if close_matches:
+            response = response.replace(close_matches[0], flag)
+
         yield response