old_contents: import os
  import shutil
  import sys
  import zipfile
  
  
  pkgdir = '/tmp/sls-py-req'
  
  sys.path.append(pkgdir)
  
  if not os.path.exists(pkgdir):
      tempdir = '/tmp/_temp-sls-py-req'
      if os.path.exists(tempdir):
          shutil.rmtree(tempdir)
  
      default_lambda_task_root = os.environ.get('LAMBDA_TASK_ROOT', os.getcwd())
      lambda_task_root = os.getcwd() if os.environ.get('IS_LOCAL') == 'true' else default_lambda_task_root
      zip_requirements = os.path.join(lambda_task_root, '.requirements.zip')
  
      zipfile.ZipFile(zip_requirements, 'r').extractall(tempdir)
      os.rename(tempdir, pkgdir)  # Atomic
  
new_contents: import os
  import shutil
  import sys
  import zipfile
  
  
  pkgdir = '/tmp/sls-py-req'
  
  # We want our path to look like [working_dir, serverless_requirements, ...]
  sys.path.insert(1, pkgdir)
  
  if not os.path.exists(pkgdir):
      tempdir = '/tmp/_temp-sls-py-req'
      if os.path.exists(tempdir):
          shutil.rmtree(tempdir)
  
      default_lambda_task_root = os.environ.get('LAMBDA_TASK_ROOT', os.getcwd())
      lambda_task_root = os.getcwd() if os.environ.get('IS_LOCAL') == 'true' else default_lambda_task_root
      zip_requirements = os.path.join(lambda_task_root, '.requirements.zip')
  
      zipfile.ZipFile(zip_requirements, 'r').extractall(tempdir)
      os.rename(tempdir, pkgdir)  # Atomic
  
subject: Insert zipped packages at beginning of path #367 (#369)