Bug fix to cc9b12d9: getplots failed if plots aren't sorted the same

pymule/loader.py

@@ -9,9 +9,9 @@ loadargs = {}
 
 def getplots(s):
     if type(s) == dict:
-        return list(set(s.keys()) - {
+        return sorted(list(set(s.keys()) - {
             'SHA','chi2a','iteration','msg','value','time'
-        })
+        }))
     elif type(s) == list:
         p = set(tuple(getplots(i)) for i in s)
         if len(p) != 1: