parameters: (self, package, commit=None)
docstring: Install package using pip.
docstring_summary: Install package using pip.
docstring_tokens: Install package using pip .
function: def install(self, package, commit=None):
      "Install package using pip."
      if commit:
        package = 'git+https://github.com/{0}.git@{1}'.format(package, commit)
      print('Installing {0}'.format(package))
      check_call([self.path, 'install', package])
function_tokens: def install ( self , package , commit = None ) : if commit : package = 'git+https://github.com/{0}.git@{1}' . format ( package , commit ) print ( 'Installing {0}' . format ( package ) ) check_call ( [ self . path , 'install' , package ] )