[Matplotlib-users] '_label_angles' attribute missing

Possibly a question for JJ:

    pary.axis["right"].get_helper()._label_angles["right"]=270

This lines complain in my script when I try to run it:

Traceback (most recent call last):
  File "/usr/local/bin/aerosol_plot.py", line 276, in <module>
    pary.axis["right"].get_helper()._label_angles["right"]=270
AttributeError: 'Fixed' object has no attribute '_label_angles'

Could you tell me how to eliminate this issue?

Thanks.

-- 
Gökhan