Can't install a package

[GeorgeSteshenko]

Here is a new problem.
Seems to be with package.json file.
Installation fails on this dependency:
"prefixfree": "git://github.com/LeaVerou/prefixfree.git#gh-pages"
After deleting this anchor #gh-pages from package.json still another error:

npm ERR! git rev-list -n1 master: fatal: ambiguous argument 'master': unknown revision or path not in the working tree.
npm ERR! git rev-list -n1 master: Use '--' to separate paths from revisions, like this:
npm ERR! git rev-list -n1 master: 'git <command> [<revision>...] -- [<file>...]'
npm ERR! git rev-list -n1 master:
npm ERR! Darwin 16.1.0
npm ERR! argv "/usr/local/Cellar/node/7.7.3/bin/node" "/usr/local/bin/npm" "install" "keyframes.tar.gz"
npm ERR! node v7.7.3
npm ERR! npm  v4.1.2
npm ERR! code 128

npm ERR! Command failed: git rev-list -n1 master
npm ERR! fatal: ambiguous argument 'master': unknown revision or path not in the working tree.
npm ERR! Use '--' to separate paths from revisions, like this:
npm ERR! 'git <command> [<revision>...] -- [<file>...]'
npm ERR!
npm ERR!
npm ERR! If you need help, you may report this error at:
npm ERR!     <https://github.com/npm/npm/issues>

npm ERR! Please include the following file with any support request

npm-debug.log.zip

[krazyjakee]

odd. Try now

[GeorgeSteshenko]

Perfect! Cheers! 🍻 🍕