Moved to version checking for anarchists and software realists, like …

…matplotlib guys

src/Mod/Plot/Plot.py

@@ -25,7 +25,7 @@
 
 import PySide
 from PySide import QtCore, QtGui
-from distutils.version import StrictVersion as V
+from distutils.version import LooseVersion as V
 
 try:
     import matplotlib