debug

app.py

@@ -29,11 +29,8 @@ def dummy():
     pass
 
 
-engine = None
-
-
 @tool
-def sql_engine_tool(query: str, engine: any = engine) -> str:
+def sql_engine_tool(query: str, engine: any) -> 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:
@@ -45,7 +42,7 @@ def sql_engine_tool(query: str, engine: any = engine) -> str:
 
     Args:
         query: The query to perform. This should be correct SQL.
-        engine: ignore this parameter, let is used the default please.
+        engine: just use 'engine' as declared later
     """
     output = ""
     print("debug sql_engine_tool")