File "C:\etls\tractor_hours_analyzer\tractor_hours_analyzer.py", line 89, in <module>
    transformed = transform_add_files_to_dataframe(extracted)
    raise TypeError('too many positional arguments') from None
    TypeError: too many positional argumentswith

transform_add_files_to_dataframe

def transform_add_files_to_dataframe():
    cwd = os.path.abspath('\\etls\\tractor_hours_analyzer')
    files = os.listdir(cwd)
    df = pd.DataFrame()
    for file in files:
        if file.endswith('.xlsx'):
            df = df.append(pd.read_excel(file), ignore_index=True)
    df.head()
    return df

extracted

transform_add_files_to_dataframe

with Flow() as flow:
    a = task_a()
    b = task_b(upstream_tasks=[a])