Update main_2.py

main_2.py

@@ -49,7 +49,7 @@ GROQ_MODEL_NAME = "llama3-70b-8192"
 EMBEDDING_MODEL_NAME = "sentence-transformers/all-MiniLM-L6-v2"
 
 # Global variable to hold the initialized embedding model
-embed_model_instance: HuggingFaceEmbedding | None 
+embed_model_instance: None 
 
 if GROQ_API_KEY == "gsk_...":
     print("WARNING: GROQ_API_KEY is not set. Please set it in your environment or main.py.")