- update to 3.0.7:
* https://foss.heptapod.net/openpyxl/openpyxl/-/issues/1588
* Exception raised when merging cells which do not have borders all the way
round.
* Fix Python 2.x specific statement in documentation
* Borders in differential styles are incorrect
* Error when opening some pivot tables
* Resave breaks the border format in conditional formatting rules
* Read-only workbook not closed properly if generator interrupted
* Pandas.Multiindex.labels deprecated
* Pandas.Multiinex not expanded correctly
* Cannot read rows with exponents
* numpy.float is deprecated
* Cells without coordinate attributes not always correctly handled
* Incorrectly consider currency format as datetime
* Cannot copy worksheets with merged cells
* Empty worksheets do not return generators when looping.
* Hyperlinks duplicated on multiple saves
* Incorrectly literal format as datetime
* Links set to range of cells not preserved
* Exception when opening workbook with chartsheets and tables
* Find tables by name
* Worksheet protection missing in existing files
* Exception when reading files with external images
* Reading lots of merged cells is very slow.
* Read support for Bubble Charts.
* Preserve any indexed colours
* Reading many thousand of merged cells is really slow.
* Adding tables in write-only mode raises an exception.