Hi! I have some code importing MPL and wxmpl; presently, I have version 0.90.1 of the former installed and 1.2.8 of the latter. I hadn't run this code in a while; when I last did, in the late spring sometime, it worked fine. Now, when I do (from the command line), a call in it to <class-derived-from-wxmpl.PlotPanel>.Axes.clear() results in an error seq. ending in AttributeError: VectorLineCollection instance has no attribute 'get_xdata'. One "catch": the "old" version still exists as a py2app-ed stand-alone; I tried it and sure enough, it still works fine. By searching its Mac App file tree, I was able to determine that this old py2app-ed version is using version 0.90.0 of MPL; unfortunately, it (appears to be) using a compiled version of wxmpl, so I don't know how to determine what version of that its using. Did the update of MPL from 0.90.0 to 0.90.1 change anything that might result in this error; has there been a change in wxmpl which might result in this error? (Between then and now, I switched to a new Mac and installed everything from scratch, so it's very likely that my present version of wxmpl is different from the one I had installed when I created the py2app.) Any other ideas? (I'm at a total loss.) Thanks!
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