Hi,
since there is a small visual defect in the key graphs introduced in PyX 0.12 recently, I will soon make an 0.12.1 release (by the end of the week or so). In case you observed any other misbehavior, I would gladly investigate your feedback.
Best,
André
-- 
by  _ _      _    Dr. André Wobst, Amselweg 22, 85716 Unterschleißheim
   / \ \    / )   wo...@us..., http://www.wobsta.de/
  / _ \ \/\/ /    PyX - High quality PostScript and PDF figures
 (_/ \_)_/\_/     with Python & TeX: visit http://pyx.sourceforge.net/
  |