diff --git a/miqa/core/models/frame.py b/miqa/core/models/frame.py
index dc97ffdc..07aff68e 100644
--- a/miqa/core/models/frame.py
+++ b/miqa/core/models/frame.py
@@ -11,7 +11,7 @@
 from django.db.models.signals import pre_delete
 from django.dispatch import receiver
 from django_extensions.db.models import TimeStampedModel
-from s3_file_field import S3FileField
+from s3_file_field.fields import S3FileField
 
 from miqa.core.conversion.nifti_to_zarr_ngff import convert_to_store_path
 
diff --git a/miqa/core/tasks.py b/miqa/core/tasks.py
index a1acca0d..7257ba6f 100644
--- a/miqa/core/tasks.py
+++ b/miqa/core/tasks.py
@@ -51,7 +51,7 @@ def _download_from_s3(path: str, public: bool) -> bytes:
 
 @shared_task
 def reset_demo():
-    Project.objects.delete()
+    Project.objects.all().delete()
 
     demo_project = Project(
         name='Demo Project',
diff --git a/miqa/learning/evaluation_models.py b/miqa/learning/evaluation_models.py
index 632762fa..93284da9 100644
--- a/miqa/learning/evaluation_models.py
+++ b/miqa/learning/evaluation_models.py
@@ -1,4 +1,4 @@
-from abc import ABC, abstractclassmethod
+from abc import ABC, abstractmethod
 from pathlib import Path
 from typing import List
 
@@ -13,7 +13,7 @@ def __init__(self, uri: URI, expected_outputs: List[str]):
         self.expected_outputs = expected_outputs
         super().__init__()
 
-    @abstractclassmethod
+    @abstractmethod
     def load(self):
         pass