Update app.py

app.py

@@ -70,7 +70,7 @@ async def lifespan(app: FastAPI):
     print("🚀 Initializing models and prompt template...")
 
     try:
-        GOOGLE_API_KEY = os.getenv("gemini_api_key")
+        GOOGLE_API_KEY = os.getenv("gemini_api_key3")
         print("🔑 gemini_api_key:", "FOUND" if GOOGLE_API_KEY else "NOT FOUND")
 
         if not GOOGLE_API_KEY:
@@ -98,9 +98,8 @@ async def lifespan(app: FastAPI):
         # cross_encoder_model = HuggingFaceCrossEncoder(model_name="BAAI/bge-reranker-large")
         ml_models["reranker_compressor"] = CrossEncoderReranker(model=cross_encoder_model, top_n=9)
         ml_models["llm"] = ChatGoogleGenerativeAI(
-                               # model="gemini-1.5-pro",
+                               model="gemini-1.5-pro",
                                # model="gemini-2.0-flash",
-                               model="gemini-2.0-pro",
                                api_key=GOOGLE_API_KEY,
                                temperature=0.1,
                                max_output_tokens=300