Update app.py

app.py

@@ -86,13 +86,11 @@ def process_query(query_text: str, vectorstore):
         
         # Updated HuggingFaceEndpoint configuration
         model = HuggingFaceEndpoint(
-            repo_id="google/flan-t5-base",
-            # Remove task specification as it's not needed
-            model_kwargs={
-                "temperature": 0.5,
-                "max_length": 512
-            },
-            huggingfacehub_api_token=os.getenv("HF_TOKEN")  # Ensure token is set in .env
+            repo_id="google/flan-t5-base",  # Подходит для text2text-generation
+            task="text2text-generation",
+            temperature=0.5,  # Передаем явно как аргумент
+            max_length=512,   # Передаем явно как аргумент
+        #    huggingfacehub_api_token=os.getenv("HUGGINGFACEHUB_API_TOKEN")  # Токен из .env
         )
         response_text = model.invoke(prompt)  # Use invoke instead of predict