--- a/browser_side/dialog.py	Fri Sep 06 15:51:40 2013 +0200
+++ b/browser_side/dialog.py	Fri Sep 06 15:55:45 2013 +0200
@@ -323,32 +323,32 @@
         self.value = value
         self.box.setText(str(value))
         self._callListeners()
-    
+
     def onMinus(self, sender, step=1):
-        self.value=max(0,self.value-step)
+        self.value = max(0, self.value - step)
         self.box.setText(str(self.value))
         self._callListeners()
-        
+
     def onPlus(self, sender, step=1):
-        self.value+=step
+        self.value += step
         if self.value_max:
-            self.value = min(self.value,value_max)
+            self.value = min(self.value, self.value_max)
         self.box.setText(str(self.value))
         self._callListeners()
 
     def onInput(self, sender):
         """Accept only valid integer && normalize print (no leading 0)"""
         try:
-            self.value = int(self.box.getText()) if self.box.getText() else 0 
+            self.value = int(self.box.getText()) if self.box.getText() else 0
         except ValueError:
             pass
         if self.value_max:
-            self.value = min(self.value,value_max)
+            self.value = min(self.value, self.value_max)
         self.box.setText(str(self.value))
         self._callListeners()
 
     def onMouseWheel(self, sender, velocity):
-        if velocity>0:
+        if velocity > 0:
             self.onMinus(sender, 10)
         else:
             self.onPlus(sender, 10)