old_contents: import sys
  
  # This code exists for backwards compatibility reasons.
  # I don't like it either. Just look the other way. :)
  
  for package in ('urllib3', 'idna', 'chardet'):
      vendored_package = "pip9._vendor." + package
      locals()[package] = __import__(vendored_package)
      # This traversal is apparently necessary such that the identities are
      # preserved (requests.packages.urllib3.* is urllib3.*)
      for mod in list(sys.modules):
          if mod == vendored_package or mod.startswith(vendored_package + '.'):
              unprefixed_mod = mod[len("pip._vendor."):]
              sys.modules['pip._vendor.requests.packages.' + unprefixed_mod] = sys.modules[mod]
  
  # Kinda cool, though, right?
  
new_contents: import sys
  
  # This code exists for backwards compatibility reasons.
  # I don't like it either. Just look the other way. :)
  
  for package in ('urllib3', 'idna', 'chardet'):
      vendored_package = "pip9._vendor." + package
      locals()[package] = __import__(vendored_package)
      # This traversal is apparently necessary such that the identities are
      # preserved (requests.packages.urllib3.* is urllib3.*)
      for mod in list(sys.modules):
          if mod == vendored_package or mod.startswith(vendored_package + '.'):
              unprefixed_mod = mod[len("pip9._vendor."):]
              sys.modules['pip9._vendor.requests.packages.' + unprefixed_mod] = sys.modules[mod]
  
  # Kinda cool, though, right?
  
subject: Fix packages again