Add checks to prevent a lot of redundant calls

engine/pattern.py

@@ -332,7 +332,10 @@ class Pattern(object):
         except KeyError:
             pass
 
+        #The following is only executed if the pattern was not cached yet
+
         #If uncertain if the cache works print cacheHash to see what is really different. This function is called more than once per pattern sometimes, which is correct.
+        #print (cacheHash)
 
         oneMeasureInTicks = howManyUnits * whatTypeOfUnit
         oneMeasureInTicks /= subdivisions  #subdivisions is 1 by default. bigger values mean shorter durations, which is compensated by the user setting bigger howManyUnits manually.

qtgui/songeditor.py

@@ -828,7 +828,6 @@ class Switch(QtWidgets.QGraphicsRectItem):
             if baugment == 1.0:
                 self.augmentationFactorOff()
 
-
     def deprecated_wheelEvent(self, event):
         #We now use dedicated keyboard shortcuts and not the mousewheel anymore.
         #See main window menu actions