请帮我解决这个错误
C:\Python26\Lib\site-packages\pyqrcode\encoder>python setup.py install
running install
running bdist_egg
running egg_info
writing qrcode.egg-info\PKG-INFO
writing top-level names to qrcode.egg-info\top_level.txt
writing dependency_links to qrcode.egg-info\dependency_links.txt
package init file 'qrcode\__init__.py' not found (or not a regular file)
writing manifest file 'qrcode.egg-info\SOURCES.txt'
installing library code to build\bdist.win32\egg
running install_lib
running build_py
running build_ext
building 'qrcode.Encoder' extension
error: Unable to find vcvarsall.bat
谢谢，
手动