Added escaping for angle bracketts

app.py

@@ -44,7 +44,8 @@ def model_chat(query: Optional[str], history: Optional[History]) -> Generator[Tu
     full_response = message
     for completion in gen:
         text = completion.choices[0].text
-        full_response += text or ''
+        if text:
+            full_response += text.replace('<', '&lt;').replace('>', '&gt;') or ''
         yield full_response
         
 def create_stream_fn(orig_stream_fn):