def read_excel_pgbar(excel_path, sheet_name, chunksize, usecols, dtype=object):

    try:
        # print('Getting row count of excel file')
        wb = load_workbook(excel_path, read_only=True)
        if type(sheet_name) == int:
            sheet = wb.worksheets[int(sheet_name)]
        else:
            sheet = wb[sheet_name]
        rows = sheet.max_row
        chunks = rows//chunksize + 1
        print()
        # print('Reading excel file')
        chunk_list = []

        for i in tqdm(range(chunks), desc='# Chunks read: '):
            tmp = pd.read_excel(excel_path, sheet_name=sheet_name, nrows=chunksize, skiprows=[k for k in range(i*chunksize)], usecols=usecols, dtype=dtype)
            chunk_list.append(tmp)

        myexcel = pd.concat((f for f in chunk_list), axis=0)
        print('Finish reading excel file')

        return myexcel
    except InvalidFileException:
        raise FileNotFoundError