Please install libuv fisrt! -- but it iss installed!

```bash
curl -fsSL https://raw.githubusercontent.com/proximac-org/proximac-install/master/install.py | sudo python3
```

>   File "<stdin>", line 5
    print 'Please install libuv fisrt!\n\
	run "brew install libuv"'
          ^
    SyntaxError: Missing parentheses in call to 'print'. Did you mean print('Please install libuv fisrt!\n\
	run "brew install libuv"')?

