old_contents: from urllib.request import urlopen, URLError
  
  def pytest_terminal_summary(terminalreporter, exitstatus=None): # pylint: disable=unused-argument
      _add_patterns()
  
      tr = terminalreporter
      passes = len(tr.stats.get('passed', []))
      fails = len(tr.stats.get('failed', []))
      skips = len(tr.stats.get('deselected', []))
      errors = len(tr.stats.get('error', []))
      if (passes or skips) and not (fails or errors):
          _pattern('pytest-success')
      else:
          _pattern('pytest-failure')
  
  def _add_patterns():
      _blink('pattern/add?pname=pytest-success&pattern=0.5,%2300ff00,0.5,%23000000,0.5')
      _blink('pattern/add?pname=pytest-failure&pattern=1,%23ff0000,0.3,1,%23ff0000,0.3,2,%23000000,0.1,0,%23ff0000,0.3,2,%23ff0000,0.3,1,%23000000,0.1,0')
  
  def _pattern(name):
      _blink('pattern/play?pname={}'.format(name))
  
  def _blink(command):
      try:
          urlopen('http://localhost:8934/blink1/{}'.format(command))
      except URLError as e:
          pass
  
new_contents: from urllib.request import urlopen, URLError
  
  def pytest_terminal_summary(terminalreporter, exitstatus=None): # pylint: disable=unused-argument
      _add_patterns()
  
      tr = terminalreporter
      passes = len(tr.stats.get('passed', []))
      fails = len(tr.stats.get('failed', []))
      skips = len(tr.stats.get('deselected', []))
      errors = len(tr.stats.get('error', []))
      if (passes or skips) and not (fails or errors):
          _pattern('pytest-success')
      else:
          _pattern('pytest-failure')
  
  def _add_patterns():
      _blink('pattern/add?pname=pytest-success&pattern=3,%2300ff00,1.5,%23000000,0.5')
      _blink('pattern/add?pname=pytest-failure&pattern=1,%23ff0000,0.3,1,%23ff0000,0.3,2,%23000000,0.1,0,%23ff0000,0.3,2,%23ff0000,0.3,1,%23000000,0.1,0')
  
  def _pattern(name):
      _blink('pattern/play?pname={}'.format(name))
  
  def _blink(command):
      try:
          urlopen('http://localhost:8934/blink1/{}'.format(command))
      except URLError as e:
          pass
  
subject: Fix success pattern