updated variable name in agent

agent.py

@@ -46,11 +46,10 @@ def create_assistant_tools(cfg):
         state: Optional[str] = Field(default=None,
                                      description="The two digit state code. Optional.",
                                      examples=['CA', 'US', 'WA'])
-        type: Optional[str] = Field(default=None,
-                                    description="The type of policy. Optional",
-                                    examples = ['Laws and Regulations', 'State Incentives', 'Incentives', 'Utility / Private Incentives', 'Programs'])
+        policy_type: Optional[str] = Field(default=None,
+                                           description="The type of policy. Optional",
+                                           examples = ['Laws and Regulations', 'State Incentives', 'Incentives', 'Utility / Private Incentives', 'Programs'])
         
-    
 
     ask_policies = vec_factory_2.create_rag_tool(
         tool_name = "ask_policies",