diff --git a/AUTHORS b/AUTHORS
index 060864a4..1e01a483 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -20,3 +20,4 @@ Nicolas Delaby <ticosax@free.fr>
 Hasan Ramezani <hasan.r67@gmail.com>
 Michael Howitz
 Mark Gensler
+Pavel Taufer
diff --git a/pytest_django/asserts.py b/pytest_django/asserts.py
index 09f9d8d6..1a1289d9 100644
--- a/pytest_django/asserts.py
+++ b/pytest_django/asserts.py
@@ -55,6 +55,7 @@ def assertion_func(*args, **kwargs):
 
 if TYPE_CHECKING:
     from django.http.response import HttpResponseBase
+    import django.forms as forms
 
     def assertRedirects(
         response: HttpResponseBase,
@@ -93,8 +94,7 @@ def assertNotContains(
         ...
 
     def assertFormError(
-        response: HttpResponseBase,
-        form: str,
+        form: forms.BaseForm,
         field: str | None,
         errors: str | Sequence[str],
         msg_prefix: str = ...,
@@ -102,8 +102,7 @@ def assertFormError(
         ...
 
     def assertFormsetError(
-        response: HttpResponseBase,
-        formset: str,
+        formset: forms.BaseFormSet,
         form_index: int | None,
         field: str | None,
         errors: str | Sequence[str],