Update requirements.txt

requirements.txt

@@ -1,9 +1,9 @@
 streamlit==1.21.0
-openai  # Remove version constraint, let pip handle compatibility
+openai  # Removed version constraint
 sqlparse==0.4.4
-langchain-openai==0.1.3
+langchain-openai  # Removed version constraint
 langchain-community==0.0.9
-langchain-core==0.3.0
-tiktoken==0.7.0  # Use a compatible version of tiktoken
+langchain-core  # Removed version constraint
+tiktoken==0.7.0  # Compatible version
 faiss-cpu==1.7.3
 python-dotenv==1.0.0