I\'m working on an application that processes huge Excel 2007 files, and I\'m using OpenPyXL to do it. OpenPyXL has two different methods of reading an Excel file - one \"no
https://pythonhosted.org/pyexcel/iapi/pyexcel.sheets.Sheet.html see : row_range() Utility function to get row range
if you use pyexcel, can call row_range get max rows.
python 3.4 test pass.