Fix an issue when the default padding from widgets_defaults is passed

ibattery.py

@@ -99,18 +99,13 @@ class Battery(base._Widget):
  ),
  ]
 
- def __init__(self, padding=None, **config):
+ def __init__(self, **config):
  base._Widget.__init__(self, bar.CALCULATED, **config)
  self.add_defaults(Battery.defaults)
-
  self.HEIGHT, self.BAR_WIDTH = self.size # battery bar
- self.padding = padding if padding else 2
  self.margin = 2
- self.length = self.padding * 2 + self.BAR_WIDTH + 7.5 + self.margin * 2
-
  self._has_notified = False
  self.timeout = int(self.notification_timeout * 1000)
-
  self._foreground = self.foreground if self.foreground else "d5d5d5"
 
  def _notify(self, percent):