def test_issue_6(self):
        """exception: TypeError: ord() expected a character, but string of length 0 found"""
        # ToDo: this test requires access to db 'mysql'.
        kwargs = self.databases[0].copy()
        kwargs["database"] = "mysql"
        conn = pymysql.connect(**kwargs)
        c = conn.cursor()
        c.execute("select * from user")
        conn.close()
exception: TypeError: ord() expected a character, but string of length 0 found
pymysql/tests/test_issues.py