Update app.py

app.py

@@ -34,8 +34,7 @@ async def _extract_user_request(question: str) -> dict:
     parser = JsonOutputParser(pydantic_object=TravelRequest)
     prompt = ChatPromptTemplate.from_messages([
         ("system", "You are a travel assistant. Extract details."),
-        ("human", "{format_instructions}
-{request}")
+        ("human", "{format_instructions}\\n{request}")
     ]).partial(format_instructions=parser.get_format_instructions())
     date_str = datetime.date.today().isoformat()
     logging.info(f"Extracting: {question}")
@@ -110,40 +109,39 @@ async def _gather_travel_data(req):
     results = await asyncio.gather(*tasks, return_exceptions=True)
     combined = []
     for r in results:
-        if not isinstance(r, Exception): combined.extend(r)
+        if not isinstance(r, Exception):
+            combined.extend(r)
     return combined
 
 # 6. FORMAT OUTPUT
 def _format_response(req, data):
     dest = req['destination_city']
-    text = f"## Travel Plan for {dest}
-"
+    text = f"## Travel Plan for {dest}\n\n"
     flights = [i for i in data if i['type']=='flight']
     hotels = [i for i in data if i['type']=='hotel']
     acts = [i for i in data if i['type']=='activity']
+
     if flights:
-        text += "
-### Flights:
-"
-        for f in flights: text += f"- {f['details']} (${f['price']}) [Book]({f['link']})
-"
+        text += "### Flights:\n"
+        for f in flights:
+            text += f"- {f['details']} (${f['price']}) [Book]({f['link']})\n"
+
     if hotels:
-        text += "
-### Hotels:
-"
-        for h in hotels: text += f"- {h['details']} (${h['price']}) [Book]({h['link']})
-"
+        text += "\n### Hotels:\n"
+        for h in hotels:
+            text += f"- {h['details']} (${h['price']}) [Book]({h['link']})\n"
+
     if acts:
-        text += "
-### Activities:
-"
-        for a in acts: text += f"- {a['details']} (${a['price']}) [Book]({a['link']})
-"
+        text += "\n### Activities:\n"
+        for a in acts:
+            text += f"- {a['details']} (${a['price']}) [Book]({a['link']})\n"
+
     return text
 
 # 7. MAIN & UI
 async def ask_bot(question):
-    if not question: return "Tell me your trip!"
+    if not question:
+        return "Tell me your trip!"
     req = await _extract_user_request(question)
     data = await _gather_travel_data(req)
     return _format_response(req, data)
@@ -155,4 +153,5 @@ iface = gr.Interface(
     title="AI Travel Bot"
 )
 
-if __name__ == "__main__": iface.launch(server_name="0.0.0.0", server_port=7860)
+if __name__ == "__main__":
+    iface.launch(server_name="0.0.0.0", server_port=7860)