astrofrog/wcsaxes — pull request #58 by lpsinger (2014-06-24 16:14:41+00:00)
Title: Plot degree labels in TeX mode

Use Unicode character or TeX math mode depending on whether `tex.usetex` is enabled. Avoids exceptions like the following:

UnicodeEncodeError: 'ascii' codec can't encode character u'\xb0' in
position 290: ordinal not in range(128)