new_contents: #!/usr/bin/env python
  
  import pytest
  from butter.inotify import watch
  
  from subprocess import Popen
  from tempfile import TemporaryDirectory
  from time import sleep
  import os
  
  def test_watch():
      FILENAME = 'inotify_test'
      with TemporaryDirectory() as tmp_dir:
          filename = os.path.join(tmp_dir, FILENAME)
          
          proc = Popen('sleep 0.04 ; touch {}'.format(filename), shell=True)
          
          event = watch(tmp_dir)
          
          proc.wait()
  
subject: Add tests for watch function