Fix spacing after comment hash.

def fix_e262(self, result):
        """Fix spacing after comment hash."""
        target = self.source[result['line'] - 1]
        offset = result['column']

        code = target[:offset].rstrip(' \t#')
        comment = target[offset:].lstrip(' \t#')

        fixed = code + ('  # ' + comment if comment.strip() else '\n')

        self.source[result['line'] - 1] = fixed