def __init__(self, locator=None):
        self.locator = locator or default_locator
        self.scheme = get_scheme(self.locator.scheme)
Initialise an instance, using the specified locator
dataset/ETHPy150Open francelabs/datafari/windows/python/Lib/site-packages/pip/_vendor/distlib/locators.py/DependencyFinder.__init__