refactor order bys into OrderQuery, add ordering to through models too

ormar/models/mixins/prefetch_mixin.py

@@ -2,7 +2,7 @@ from typing import Callable, Dict, List, TYPE_CHECKING, Tuple, Type, cast
 
 from ormar.models.mixins.relation_mixin import RelationMixin
 
-if TYPE_CHECKING:
+if TYPE_CHECKING:  # pragma: no cover
     from ormar.fields import ForeignKeyField, ManyToManyField
 
 
@@ -18,10 +18,10 @@ class PrefetchQueryMixin(RelationMixin):
 
     @staticmethod
     def get_clause_target_and_filter_column_name(
-        parent_model: Type["Model"],
-        target_model: Type["Model"],
-        reverse: bool,
-        related: str,
+            parent_model: Type["Model"],
+            target_model: Type["Model"],
+            reverse: bool,
+            related: str,
     ) -> Tuple[Type["Model"], str]:
         """
         Returns Model on which query clause should be performed and name of the column.
@@ -51,7 +51,7 @@ class PrefetchQueryMixin(RelationMixin):
 
     @staticmethod
     def get_column_name_for_id_extraction(
-        parent_model: Type["Model"], reverse: bool, related: str, use_raw: bool,
+            parent_model: Type["Model"], reverse: bool, related: str, use_raw: bool,
     ) -> str:
         """
         Returns name of the column that should be used to extract ids from model.

ormar/models/model_row.py

@@ -17,7 +17,7 @@ from ormar.models import NewBaseModel  # noqa: I202
 from ormar.models.helpers.models import group_related_list
 
 
-if TYPE_CHECKING:
+if TYPE_CHECKING:  # pragma: no cover
     from ormar.fields import ForeignKeyField
     from ormar.models import T
 else: