old_contents: from subprocess import check_output
  
  # versioning
  VERSION_MAJOR = 0.5
  VERSION_MINOR = 7
  VERSION_NUMBER = '%.1f.%d' % (VERSION_MAJOR, VERSION_MINOR)
  VERSION_DESCRIPTION = 'alpha'
  
  
  def safe_command_request(args):
      try:
          return check_output(args).strip()
      except:
          # might fail at least if git is not present
          # or if there's no git repository
          return ''
  
  
  def get_version():
      return {'version': VERSION_NUMBER,
              'version_major': VERSION_MAJOR,
              'version_minor': VERSION_MINOR,
              'description': VERSION_DESCRIPTION,
              'branch': safe_command_request([
                  'git', 'rev-parse', '--abbrev-ref', 'HEAD']),
              'commit': safe_command_request(['git', 'rev-parse', 'HEAD'])}
  
new_contents: from subprocess import check_output
  
  # versioning
  VERSION_MAJOR = 0.5
  VERSION_MINOR = 8
  VERSION_NUMBER = '%.1f.%d' % (VERSION_MAJOR, VERSION_MINOR)
  VERSION_DESCRIPTION = 'alpha'
  
  
  def safe_command_request(args):
      try:
          return check_output(args).strip()
      except:
          # might fail at least if git is not present
          # or if there's no git repository
          return ''
  
  
  def get_version():
      return {'version': VERSION_NUMBER,
              'version_major': VERSION_MAJOR,
              'version_minor': VERSION_MINOR,
              'description': VERSION_DESCRIPTION,
              'branch': safe_command_request([
                  'git', 'rev-parse', '--abbrev-ref', 'HEAD']),
              'commit': safe_command_request(['git', 'rev-parse', 'HEAD'])}
  
subject: bump version