switch to llama llm 2

app.py

@@ -31,7 +31,9 @@ def dummy():
 
 
 @tool
-def sql_engine_tool(query: str, engine: any = engine) -> str:
+def sql_engine_tool(
+    query: str,
+) -> str:
     """
     Allows you to perform SQL queries on the table. Returns a string representation of the result.
     The table is named 'receipts'. Its description is as follows:
@@ -43,6 +45,7 @@ def sql_engine_tool(query: str, engine: any = engine) -> str:
 
     Args:
         query: The query to perform. This should be correct SQL.
+
     """
     output = ""
     with engine.connect() as con: