fix

tests/integration/runner

@@ -141,20 +141,21 @@ if __name__ == "__main__":
 
     env_tags = ""
 
-    for img_tag in args.docker_compose_images_tags:
-        [image, tag] = img_tag.split(":")
-        if image == "yandex/clickhouse-mysql-golang-client":
-            env_tags += "-e {}={} ".format("DOCKER_MYSQL_GOLANG_CLIENT_TAG", tag)
-        elif image == "yandex/clickhouse-mysql-java-client":
-            env_tags += "-e {}={} ".format("DOCKER_MYSQL_JAVA_CLIENT_TAG", tag)
-        elif image == "yandex/clickhouse-mysql-js-client":
-            env_tags += "-e {}={} ".format("DOCKER_MYSQL_JS_CLIENT_TAG", tag)
-        elif image == "yandex/clickhouse-mysql-php-client":
-            env_tags += "-e {}={} ".format("DOCKER_MYSQL_PHP_CLIENT_TAG", tag)
-        elif image == "yandex/clickhouse-postgresql-java-client":
-            env_tags += "-e {}={} ".format("DOCKER_POSTGRESQL_JAVA_CLIENT_TAG", tag)
-        else:
-            raise Exception("Unknown image {}".format(image))
+    if args.docker_compose_images_tags in not None:
+        for img_tag in args.docker_compose_images_tags:
+            [image, tag] = img_tag.split(":")
+            if image == "yandex/clickhouse-mysql-golang-client":
+                env_tags += "-e {}={} ".format("DOCKER_MYSQL_GOLANG_CLIENT_TAG", tag)
+            elif image == "yandex/clickhouse-mysql-java-client":
+                env_tags += "-e {}={} ".format("DOCKER_MYSQL_JAVA_CLIENT_TAG", tag)
+            elif image == "yandex/clickhouse-mysql-js-client":
+                env_tags += "-e {}={} ".format("DOCKER_MYSQL_JS_CLIENT_TAG", tag)
+            elif image == "yandex/clickhouse-mysql-php-client":
+                env_tags += "-e {}={} ".format("DOCKER_MYSQL_PHP_CLIENT_TAG", tag)
+            elif image == "yandex/clickhouse-postgresql-java-client":
+                env_tags += "-e {}={} ".format("DOCKER_POSTGRESQL_JAVA_CLIENT_TAG", tag)
+            else:
+                raise Exception("Unknown image {}".format(image))
 
     # create named volume which will be used inside to store images and other docker related files,
     # to avoid redownloading it every time