Fix duplicated semicolon in table creation DDL

tests/test_utils.py

@@ -0,0 +1,34 @@
+import tempfile
+from pathlib import Path
+
+from aerich.utils import write_version_file
+
+
+def test_write_version_file():
+    content = {
+        "upgrade": [
+            "CREATE TABLE IF NOT EXISTS `newmodel` (\n    `id` INT NOT NULL PRIMARY KEY AUTO_INCREMENT,\n    `name` VARCHAR(50) NOT NULL\n) CHARACTER SET utf8mb4;",
+            "CREATE TABLE `email_user` (\n    `email_id` INT NOT NULL REFERENCES `email` (`email_id`) ON DELETE CASCADE,\n    `user_id` INT NOT NULL REFERENCES `user` (`id`) ON DELETE CASCADE\n) CHARACTER SET utf8mb4",
+        ],
+        "downgrade": [
+            "DROP TABLE IF EXISTS `email_user`",
+            "DROP TABLE IF EXISTS `newmodel`",
+        ],
+    }
+    with tempfile.NamedTemporaryFile(mode="r", delete=True) as f:
+        write_version_file(Path(f.name), content)
+        result = f.read()
+        assert result == (
+            "-- upgrade --\n"
+            "CREATE TABLE IF NOT EXISTS `newmodel` (\n"
+            "    `id` INT NOT NULL PRIMARY KEY AUTO_INCREMENT,\n"
+            "    `name` VARCHAR(50) NOT NULL\n"
+            ") CHARACTER SET utf8mb4;\n"
+            "CREATE TABLE `email_user` (\n"
+            "    `email_id` INT NOT NULL REFERENCES `email` (`email_id`) ON DELETE CASCADE,\n"
+            "    `user_id` INT NOT NULL REFERENCES `user` (`id`) ON DELETE CASCADE\n"
+            ") CHARACTER SET utf8mb4;\n"
+            "-- downgrade --\n"
+            "DROP TABLE IF EXISTS `email_user`;\n"
+            "DROP TABLE IF EXISTS `newmodel`;\n"
+        )