File "<exec>", line 110, in <module> ValueError: Invalid file format. Only Excel, CSV, and JSON files are supported. about pyodide HOT 3 OPEN

file_extension = '${fileExtension}'
if file_extension == '.xlsx':
    df = pd.read_excel(file_buffer)
elif file_extension == '.csv':
    df = pd.read_csv(file_buffer)
elif file_extension == '.json':
    data = pyodide.toPy(JSON.parse(pyodide.fromPy(file_buffer)))
    df = pd.DataFrame(data)
else:
    raise ValueError('Invalid file format. Only Excel, CSV, and JSON files are supported.')

        pyodide = await loadPyodide();

          await pyodide.runPythonAsync(`
................
pyodide.toPy(JSON.parse(pyodide.fromPy(file_buffer)))
...................