overwrite unique constraints as old are bind to table

tests/test_inheritance_concrete.py

@@ -92,6 +92,7 @@ def test_init_of_abstract_model():
 
 def test_field_redefining_raises_error():
     with pytest.raises(ModelDefinitionError):
+
         class WrongField(DateFieldsModel):  # pragma: no cover
             class Meta(ormar.ModelMeta):
                 tablename = "wrongs"
@@ -104,6 +105,7 @@ def test_field_redefining_raises_error():
 
 def test_model_subclassing_non_abstract_raises_error():
     with pytest.raises(ModelDefinitionError):
+
         class WrongField2(DateFieldsModelNoSubclass):  # pragma: no cover
             class Meta(ormar.ModelMeta):
                 tablename = "wrongs"
@@ -121,7 +123,7 @@ def test_params_are_inherited():
 
 
 def round_date_to_seconds(
-        date: datetime.datetime,
+    date: datetime.datetime,
 ) -> datetime.datetime:  # pragma: no cover
     if date.microsecond >= 500000:
         date = date + datetime.timedelta(seconds=1)
@@ -163,9 +165,9 @@ async def test_fields_inherited_from_mixin():
 
             sub2 = (
                 await Subject.objects.select_related("category")
-                    .order_by("-created_date")
-                    .exclude_fields("updated_date")
-                    .get()
+                .order_by("-created_date")
+                .exclude_fields("updated_date")
+                .get()
             )
             assert round_date_to_seconds(sub2.created_date) == round_date_to_seconds(
                 sub.created_date