Update app.py

app.py

@@ -63,12 +63,8 @@ vector_store = FAISS.from_texts(
     metadatas=metadatas
 )
 # Step 5: Initialize the LLM
-#openai_api_key = os.getenv("tauhid")  # Fetch the key using the actual secret name
-
 openai_api_key = os.getenv("tauhid")
-client = OpenAI(api_key=api_key)
-if not openai_api_key:
-    raise ValueError("tauhid environment variable is not set. Please add it to the Space Secrets.")
+print(f"API key retrieved: {'[NOT FOUND]' if not openai_api_key else '[FOUND - first 4 chars: ' + openai_api_key[:4] + ']'}")
 
 # Initialize the LLM
 llm = ChatOpenAI(