Export XLS error

[zhonghai9967]

import records
db=records.Database('sqlite:///d:/a.db')
rows=db.query('select * from tjb')
with open('d:/a.xls', 'wb') as f:
f.write(rows.export('xls'))

from openpyxl.reader.excel import ExcelReader, load_workbook
ImportError: cannot import name 'ExcelReader' from 'openpyxl.reader.excel' (C:\Python38\lib\site-packages\openpyxl\reader\excel.py)

[zhonghai9967]

with open('d:/a.xls', 'wb') as f:
f.write(rows.export('xls'))

sqlalchemy.exc.ProgrammingError: (sqlite3.ProgrammingError) Cannot operate on a closed database.
(Background on this error at: http://sqlalche.me/e/13/f405)