[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

tin/apps/assignments/forms.py

@@ -178,7 +178,7 @@ class Meta:
         }
 
     def __str__(self) -> str:
-        return f"AssignmentForm(\"{self['name'].value()}\")"
+        return f'AssignmentForm("{self["name"].value()}")'
 
 
 class GraderScriptUploadForm(forms.Form):

tin/apps/assignments/views.py

@@ -372,7 +372,7 @@ def download_grader_view(request, assignment_id):
 
     with grader_file.open() as f_obj:
         response = http.HttpResponse(f_obj.read(), content_type="text/plain")
-    filename = f'{assignment.name.replace(" ", "_")}_{grader_file.name.split("/")[-1]}'
+    filename = f"{assignment.name.replace(' ', '_')}_{grader_file.name.split('/')[-1]}"
     response["Content-Disposition"] = f'attachment; filename="{filename}"'
 
     return response