Update agent_langchain.py

agent_langchain.py

@@ -4,8 +4,6 @@ from datetime import date
 from langchain.agents import AgentType, initialize_agent, load_tools, tool
 from langchain.chat_models import ChatOpenAI
 
-#OPENWEATHERMAP_API_KEY = os.environ["OPENWEATHERMAP_API_KEY"]
-
 @tool
 def date_tool(text: str) -> str:
     """Returns today's date. Use this for any questions related to knowing today's date.