pydata/pandas — pull request #7214 by neirbowj (2014-05-23 02:12:43+00:00)
Title: TST/DOC: Test for and document incompatibility with openpyxl 2.0.0 and later

Let users down easy if v0.14.0 remains incompatible with openpyxl 2.0.0 and later (#7169).