diff --git a/src/courses/views.py b/src/courses/views.py
index 671b01a..31e5593 100644
--- a/src/courses/views.py
+++ b/src/courses/views.py
@@ -6,7 +6,7 @@
 """
 
 from dataclasses import dataclass
-from typing import TYPE_CHECKING
+from typing import TYPE_CHECKING, Any
 from uuid import UUID
 from django.views import View
 from django.http import HttpRequest, HttpResponse, HttpResponseForbidden
@@ -14,6 +14,7 @@
 from django.utils.decorators import method_decorator
 from django.contrib.auth.decorators import login_required
 from django.contrib import messages
+from django.forms.formsets import BaseFormSet
 
 if TYPE_CHECKING:
     from homeworks.forms import HomeworkCreateForm, SectionFormSet
@@ -294,6 +295,8 @@ def get(self, request: HttpRequest, course_id: UUID) -> HttpResponse:
         if not has_access:
             return HttpResponseForbidden("You do not have access to this course.")
 
+        assert user_type is not None
+
         # Get the appropriate data based on user type
         data = self._get_view_data(course, user_type, teacher_profile, student_profile)
 
@@ -368,7 +371,7 @@ class HomeworkFormData:
     """Data structure for homework form view."""
 
     form: "HomeworkCreateForm"
-    section_forms: "SectionFormSet"
+    section_forms: BaseFormSet[Any]
     course_name: str
     course_id: UUID
     action: str  # 'create'
@@ -464,7 +467,7 @@ def _process_form_submission(
 
         # Create a mutable copy of POST data and inject course
         post_data = request.POST.copy()
-        post_data["course"] = course.id
+        post_data["course"] = str(course.id)
 
         # Create forms from POST data
         form = HomeworkCreateForm(post_data)
diff --git a/src/homeworks/views.py b/src/homeworks/views.py
index 9933d64..4fd37e7 100644
--- a/src/homeworks/views.py
+++ b/src/homeworks/views.py
@@ -6,9 +6,10 @@
 """
 
 from dataclasses import dataclass
-from typing import TYPE_CHECKING, Dict, Any, assert_type
+from typing import TYPE_CHECKING, Dict, Any
 from uuid import UUID
 from django.forms import formset_factory
+from django.forms.formsets import BaseFormSet
 
 if TYPE_CHECKING:
     from django.forms.utils import ErrorDict, ErrorList
@@ -262,7 +263,7 @@ class HomeworkFormData:
     """Data structure for the homework form view."""
 
     form: "HomeworkEditForm"
-    section_forms: "SectionFormSet"
+    section_forms: BaseFormSet[Any]
     user_type: str
     action: str  # 'create' or 'edit'
     is_submitted: bool = False
@@ -370,13 +371,9 @@ def _get_view_data(
             initial_section_data.append(section_data)
 
         # Create section formset with initial data
-        SectionFormset: type[SectionFormSet] = formset_factory(
-            SectionForm, extra=0, formset=SectionFormSet
-        )
-        section_formset = SectionFormset(
+        section_formset = formset_factory(SectionForm, extra=0, formset=SectionFormSet)(
             prefix="sections", initial=initial_section_data
         )
-        assert_type(section_formset, SectionFormSet)
 
         # Return form data
         return HomeworkFormData(
@@ -395,11 +392,9 @@ def _process_form_submission(
         form = HomeworkEditForm(request.POST, instance=homework)
 
         # Create formset for sections
-        SectionFormset: type[SectionFormSet] = formset_factory(
-            SectionForm, extra=0, formset=SectionFormSet
+        section_formset = formset_factory(SectionForm, extra=0, formset=SectionFormSet)(
+            request.POST, prefix="sections"
         )
-        section_formset = SectionFormset(request.POST, prefix="sections")
-        assert_type(section_formset, SectionFormSet)
 
         # Check form validity
         if form.is_valid() and section_formset.is_valid():