Update app.py

app.py

@@ -69,6 +69,8 @@ def load_uploaded_csv_and_create_db(uploaded_file):
     df = pd.read_csv(uploaded_file, sep=";", on_bad_lines="skip")
     df.to_sql("anomalia_vendas", engine, index=False, if_exists="replace")
     print("Banco recriado com base no novo CSV.")
+    print(f"CSV carregado: {len(df)} linhas, {len(df.columns)} colunas")
+    print(f"[DEBUG] Novo engine criado: {engine}")
     return engine
 
 engine = create_or_load_sql_database(CSV_FILE_PATH, SQL_DB_PATH)
@@ -212,9 +214,10 @@ with gr.Blocks(theme=gr.themes.Soft()) as demo:
             history_btn.click(toggle_history, inputs=[], outputs=history_output)
 
         def handle_csv_upload(file):
-            global engine
+            global engine, db
             engine = load_uploaded_csv_and_create_db(file)
-            return gr.update(value=None)
+            if engine is not None:
+                db = SQLDatabase(engine=engine)
     
         csv_file.change(handle_csv_upload, inputs=csv_file, outputs=csv_file)