old_contents: from __future__ import absolute_import, unicode_literals
  
  import os
  import subprocess
  
  import mopidy
  
  
  def get_version():
      try:
          return get_git_version()
      except EnvironmentError:
          return mopidy.__version__
  
  
  def get_git_version():
      project_dir = os.path.abspath(
          os.path.join(os.path.dirname(mopidy.__file__), '..'))
      process = subprocess.Popen(
          ['git', 'describe'],
          stdout=subprocess.PIPE, stderr=subprocess.PIPE, cwd=project_dir)
      if process.wait() != 0:
          raise EnvironmentError('Execution of "git describe" failed')
      version = process.stdout.read().strip()
      if version.startswith('v'):
          version = version[1:]
      return version
  
new_contents: from __future__ import absolute_import, unicode_literals
  
  import os
  import subprocess
  
  import mopidy
  
  
  def get_version():
      try:
          return get_git_version()
      except EnvironmentError:
          return mopidy.__version__
  
  
  def get_git_version():
      project_dir = os.path.abspath(
          os.path.join(os.path.dirname(mopidy.__file__), '..'))
      process = subprocess.Popen(
          ['git', 'describe'],
          stdout=subprocess.PIPE, stderr=subprocess.PIPE, cwd=project_dir)
      if process.wait() != 0:
          raise EnvironmentError('Execution of "git describe" failed')
      version = process.stdout.read().strip()
      if version.startswith(b'v'):
          version = version[1:]
      return version
  
subject: Fix comparision of bytes and text