message: Fix astor url to pypi.python.org
diff: @@ -285,7 +285,7 @@ def tf_workspace(path_prefix = "", tf_repo_name = ""):
  system_build_file = clean_dep("//third_party/systemlibs:astor.BUILD"),
  urls = [
  "https://mirror.bazel.build/pypi.python.org/packages/99/80/f9482277c919d28bebd85813c0a70117214149a96b08981b72b63240b84c/astor-0.7.1.tar.gz",
  - "https://files.pythonhosted.org/packages/99/80/f9482277c919d28bebd85813c0a70117214149a96b08981b72b63240b84c/astor-0.7.1.tar.gz",
  + "https://pypi.python.org/packages/99/80/f9482277c919d28bebd85813c0a70117214149a96b08981b72b63240b84c/astor-0.7.1.tar.gz",
  ],
  )
  