diff --git a/django-stubs/db/models/query.pyi b/django-stubs/db/models/query.pyi
index 47d38f2..23ab5cf 100644
--- a/django-stubs/db/models/query.pyi
+++ b/django-stubs/db/models/query.pyi
@@ -144,17 +144,16 @@ class RawQuerySet(Iterable[_T], Sized):
     def using(self, alias: Optional[str]) -> RawQuerySet[_T]: ...
 
 class Prefetch(object):
-    def __init__(self, lookup: str, queryset: Optional[QuerySet]=None, to_attr: Optional[str]=None) -> None: ...
+    def __init__(self, lookup: str, queryset: Optional[QuerySet] = None, to_attr: Optional[str] = None) -> None: ...
     def __getstate__(self) -> Dict[str, Any]: ...
     def add_prefix(self, prefix: str) -> None: ...
     def get_current_prefetch_to(self, level: int) -> str: ...
-    def get_current_to_attr(self, level: int) -> Tuple[str,str]: ...
+    def get_current_to_attr(self, level: int) -> Tuple[str, str]: ...
     def get_current_queryset(self, level) -> Optional[QuerySet]: ...
 
 def prefetch_related_objects(model_instances: Iterable[_T], *related_lookups: Union[str, Prefetch]) -> None: ...
 def get_prefetcher(instance: _T, through_attr: str, to_attr: str) -> Tuple[Any, Any, bool, bool]: ...
 
 class ModelIterable(Iterable[_T]): ...
-
 class InstanceCheckMeta(type): ...
 class EmptyQuerySet(metaclass=InstanceCheckMeta): ...