capybara/virtualenv/lib/python2.7/site-packages/pip/index.py
def is_artifact(self):
        """
        Determines if this points to an actual artifact (e.g. a tarball) or if
        it points to an "abstract" thing like a path or a VCS location.
        """
        from pip.vcs import vcs

        if self.scheme in vcs.all_schemes:
            return False

        return True
def is_artifact(self):
        """
        Determines if this points to an actual artifact (e.g. a tarball) or if
        it points to an "abstract" thing like a path or a VCS location.
        """
        from pip.vcs import vcs

        if self.scheme in vcs.all_schemes:
            return False

        return True
Determines if this points to an actual artifact (e.g. a tarball) or if
        it points to an "abstract" thing like a path or a VCS location.