old_contents: from ctypes import *
  from contextlib import contextmanager
  import os
  import stat
  
  
  def get_file_path(f):
      if f:
          name = getattr(f, 'name')
          if name:
              path = os.path.abspath(name)
              return path
  
  
  def create_executable(path, content):
      with open(path, 'w') as f:
          f.write(content)
      s = os.stat(path)
      os.chmod(path, s.st_mode | stat.S_IEXEC)
  
  
  # Work-around on error messages by alsa-lib 
  # http://stackoverflow.com/questions/7088672/
  ERROR_HANDLER_FUNC = CFUNCTYPE(None, c_char_p, c_int,
  	                           c_char_p, c_int, c_char_p)
  
  def py_error_handler(filename, line, function, err, fmt):
      pass
  
  
  c_error_handler = ERROR_HANDLER_FUNC(py_error_handler)
  
  @contextmanager
  def noalsaerr():
      asound = cdll.LoadLibrary('libasound.so')
      asound.snd_lib_error_set_handler(c_error_handler)
      yield
      asound.snd_lib_error_set_handler(None)
  
new_contents: from ctypes import * # NOQA
  from contextlib import contextmanager
  import os
  import stat
  
  
  def get_file_path(f):
      if f:
          name = getattr(f, 'name')
          if name:
              path = os.path.abspath(name)
              return path
  
  
  def create_executable(path, content):
      with open(path, 'w') as f:
          f.write(content)
      s = os.stat(path)
      os.chmod(path, s.st_mode | stat.S_IEXEC)
  
  
  # Work-around on error messages by alsa-lib
  # http://stackoverflow.com/questions/7088672/
  ERROR_HANDLER_FUNC = CFUNCTYPE(None, c_char_p, c_int,
                                 c_char_p, c_int, c_char_p)
  
  
  def py_error_handler(filename, line, function, err, fmt):
      pass
  
  
  c_error_handler = ERROR_HANDLER_FUNC(py_error_handler)
  
  
  @contextmanager
  def noalsaerr():
      asound = cdll.LoadLibrary('libasound.so')
      asound.snd_lib_error_set_handler(c_error_handler)
      yield
      asound.snd_lib_error_set_handler(None)
  
subject: Enforce flake8 and NOQA cases