old_contents: # -*- coding: utf8 -*-
  # flake8: NOQA
  import sys
  
  PY3 = sys.version_info[0] == 3
  PYMINOR = sys.version_info[1]
  PYPATCH = sys.version_info[2]
  
  _identity = lambda x: x
  
  if PY3 and PYMINOR >= 7:
      breakpoint = breakpoint
  else:
      import pdb
  
      breakpoint = pdb.set_trace
  
  
  console_encoding = sys.__stdout__.encoding
  
  implements_to_string = _identity
  
  
  def console_to_str(s):
      """ From pypa/pip project, pip.backwardwardcompat. License MIT. """
      try:
          return s.decode(console_encoding)
      except UnicodeDecodeError:
          return s.decode('utf_8')
  
new_contents: # -*- coding: utf8 -*-
  # flake8: NOQA
  import sys
  
  PY3 = sys.version_info[0] == 3
  PYMINOR = sys.version_info[1]
  PYPATCH = sys.version_info[2]
  
  _identity = lambda x: x
  
  if PY3 and PYMINOR >= 7:
      breakpoint = breakpoint
  else:
      import pdb
  
      breakpoint = pdb.set_trace
  
  
  console_encoding = sys.__stdout__.encoding
  
  implements_to_string = _identity
  
  
  def console_to_str(s):
      """From pypa/pip project, pip.backwardwardcompat. License MIT."""
      try:
          return s.decode(console_encoding)
      except UnicodeDecodeError:
          return s.decode('utf_8')
  
subject: Format with black 21.6b0