old_contents: """Check updates to Arch Linux."""
  
  
  import subprocess
  import bumblebee.input
  import bumblebee.output
  import bumblebee.engine
  
  class Module(bumblebee.engine.Module):
      def __init__(self, engine, config):
          widget = bumblebee.output.Widget(full_text=self.utilization)
          super(Module, self).__init__(engine, config, widget)
          self.packages = self.check_updates()
  
      def check_updates(self):
          p = subprocess.Popen(
                  "checkupdates", stdout=subprocess.PIPE, shell=True)
  
          p_status = p.wait()
          
          if p_status == 0:
              (output, err) = p.communicate()
  
              output = output.decode('utf-8')
              packages = output.split('\n')
              packages.pop()
  
              return len(packages)
          return '0'
  
      def utilization(self, widget):
          return f'Update Arch: {self.packages}'
  
      def hidden(self):
              return self.check_updates() == 0
  
      def update(self, widgets):
          self.packages = self.check_updates() 
  
      def state(self, widget):
          return self.threshold_state(self.packages, 1, 100)
  
new_contents: """Check updates to Arch Linux."""
  
  
  import subprocess
  import bumblebee.input
  import bumblebee.output
  import bumblebee.engine
  
  
  class Module(bumblebee.engine.Module):
      def __init__(self, engine, config):
          widget = bumblebee.output.Widget(full_text=self.utilization)
          super(Module, self).__init__(engine, config, widget)
          self.packages = self.check_updates()
  
      def check_updates(self):
          p = subprocess.Popen(
                  "checkupdates", stdout=subprocess.PIPE, shell=True)
  
          p_status = p.wait()
  
          if p_status == 0:
              (output, err) = p.communicate()
  
              output = output.decode('utf-8')
              packages = output.split('\n')
              packages.pop()
  
              return len(packages)
          return '0'
  
      def utilization(self, widget):
          return f'Update Arch: {self.packages}'
  
      def hidden(self):
              return self.check_updates() == 0
  
      def update(self, widgets):
          self.packages = self.check_updates()
  
      def state(self, widget):
          return self.threshold_state(self.packages, 1, 100)
  
subject: Fix code for lint