message: Windows wants forward slashes here?
diff: @@ -65,9 +65,7 @@ def get_relative_path(source_dir, target_file):
  if source_dir not in target_file:
  raise Exception("Failed to make path " + target_file + " relative to source directory " + source_dir)
  target_file = target_file.replace(source_dir, "").lstrip('/')
  - print(target_file)
  -
  - return os.path.sep.join(target_file.split('/'))
  + return target_file
  def build_package(target_dir):
  if not os.path.isdir(target_dir):
  