Update app.py

app.py

@@ -101,7 +101,7 @@ def text2sql(table, query_input):
             table_schema: "",
             input_prompt: "",
             generated_query: "",
-            result_output:pd.DataFrame([{"error": f"❌ Please Select Table, Schema.}"}])
+            result_output:pd.DataFrame([{"error": "❌ Please Select Table, Schema.}"}])
         }
 
     schema = get_table_schema(table)