fix (import)

app.py

@@ -17,7 +17,6 @@
 # from src.pipeline import FarmerChatPipeline
 # from src.pdf_generator import generate_pdf_report
 
-# # CRITICAL FIX: Import OpenAI with httpx configuration
 # from openai import OpenAI
 # import httpx
 
@@ -227,6 +226,7 @@ from typing import Optional, Dict, Any, List
 import os
 from datetime import datetime
 from openai import OpenAI
+import httpx
 
 # ============================================================================
 # OPENAI CLIENT SETUP