code: def unregister_file(path, pkg=None, conn=None):  # pylint: disable=W0612
      '''
      Unregister a file from the package database
      '''
      close = False
      if conn is None:
          close = True
          conn = init()
  
      conn.execute('DELETE FROM files WHERE path=?', (path, ))
      if close:
          conn.close(f unregister_file(path, pkg=None, conn=None):  # pylint: disable=W0612
      '''
      Unregister a file from the package database
      '''
      close = False
      if conn is None:
          close = True
          conn = init()
  
      conn.execute('DELETE FROM files WHERE path=?', (path, ))
      if close:
          conn.close()
docs: Unregister a file from the package database