Fix ci error

2020-11-19 10:41:52 +08:00
parent 9879004fee
commit a677d506a9
3 changed files with 9 additions and 3 deletions
--- a/aerich/migrate.py
+++ b/aerich/migrate.py
@@ -312,7 +312,11 @@ class Migrate:
                        else:
                            is_rename = diff_key in cls._rename_new
                        if is_rename:
-                            if cls.dialect == "mysql" and cls._db_version.major == 5:
+                            if (
+                                cls.dialect == "mysql"
+                                and cls._db_version
+                                and cls._db_version.major == 5
+                            ):
                                cls._add_operator(
                                    cls._change_field(new_model, old_field, new_field),
                                    upgrade,