def check_source(self, source, section):
    for vcs in ('git', 'svn', 'hg'):
        if (f'{vcs}_url' in source):
            self.message(section=f'{section}/{vcs}_url')
def check_source(self, source, section):
    for vcs in ('git', 'svn', 'hg'):
        if (f'{vcs}_url' in source):
            self.message(section=f'{section}/{vcs}_url')