When MySQL is upgraded to 5.7, WordPress reports error 1067 when importing data

DROP TABLE IF EXISTS `wp_comments`;
CREATE TABLE `wp_comments` (
  `comment_ID` bigint(20) UNSIGNED NOT NULL AUTO_INCREMENT,
  `comment_post_ID` bigint(20) UNSIGNED NOT NULL DEFAULT 0,
  `comment_author` tinytext CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_520_ci NOT NULL,
  `comment_author_email` varchar(100) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_520_ci NOT NULL DEFAULT '',
  `comment_author_url` varchar(200) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_520_ci NOT NULL DEFAULT '',
  `comment_author_IP` varchar(100) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_520_ci NOT NULL DEFAULT '',
  `comment_date` datetime(0) NOT NULL DEFAULT '0000-00-00 00:00:00',
  `comment_date_gmt` datetime(0) NOT NULL DEFAULT '0000-00-00 00:00:00',
  `comment_content` text CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_520_ci NOT NULL,
  `comment_karma` int(11) NOT NULL DEFAULT 0,
  `comment_approved` varchar(20) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_520_ci NOT NULL DEFAULT '1',
  `comment_agent` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_520_ci NOT NULL DEFAULT '',
  `comment_type` varchar(20) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_520_ci NOT NULL DEFAULT '',
  `comment_parent` bigint(20) UNSIGNED NOT NULL DEFAULT 0,
  `user_id` bigint(20) UNSIGNED NOT NULL DEFAULT 0,
  PRIMARY KEY (`comment_ID`) USING BTREE,
  INDEX `comment_post_ID`(`comment_post_ID`) USING BTREE,
  INDEX `comment_approved_date_gmt`(`comment_approved`, `comment_date_gmt`) USING BTREE,
  INDEX `comment_date_gmt`(`comment_date_gmt`) USING BTREE,
  INDEX `comment_parent`(`comment_parent`) USING BTREE,
  INDEX `comment_author_email`(`comment_author_email`(10)) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 35 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_unicode_520_ci ROW_FORMAT = Dynamic;

mysql> show variables like 'sql_mode';
+---------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------+
| Variable_name | Value |
+---------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------+
| sql_mode | ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION |
+---------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------+
1 row in set (0.00 sec)

mysql>

mysql> set session
 -> sql_mode = 'ONLY_FULL_GROUP_BY, STRICT_TRANS_TABLES, ERROR_FOR_DIVISION_BY_ZERO, NO_AUTO_CREATE_USER, NO_ENGINE_SUBSTITUTION';
Query OK, 0 rows affected, 1 warning (0.00 sec)

mysql>

sql_mode=ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION