Generator for `self.filetype` of 'file

def _generator_file(self):
        """Generator for `self.filetype` of 'file'"""
        for path in self.paths:
            if os.path.isfile(path):
                if isvalid(path, self.access, self.extensions,
                           minsize=self.minsize):
                    yield os.path.abspath(path)
            elif os.path.isdir(path):
                for root, _, fnames in self._walker(path):
                    yield from self._generator_rebase(fnames, root)