old_contents: import zipfile 
  
  def unzip(filename, dir):
    zf = zipfile.ZipFile(filename)
    zf.extractall(dir)
      
  
  def unzip1(filename, dir):
    zf = zipfile.ZipFile(filename)
    zf.extract(dir)
  
new_contents: import zipfile 
  
  def unzip(filename, dir):
      zf = zipfile.ZipFile(filename)
      zf.extractall(dir)
      
  
  def unzip1(filename, dir):
      zf = zipfile.ZipFile(filename)
      zf.extract(dir)
  
subject: Update zipslip_good.py