diff --git a/backend/donations/tests.py b/backend/donations/tests.py
index 49290204..a39b155a 100644
--- a/backend/donations/tests.py
+++ b/backend/donations/tests.py
@@ -1,2 +1 @@
-
 # Create your tests here.
diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index 1de265dd..dbf9b075 100644
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
@@ -40,6 +40,7 @@ exclude = [
     "node_modules",
     "venv",
     "migrations",
+    "_appengine_legacy",
 ]
 
 # Same as Black.
@@ -75,7 +76,9 @@ filterwarnings = [
 [tool.black]
 line-length = 120
 target-version = ["py311"]
-extend-exclude = '''(
-    (.+/)?migrations/.+
-    (.+/)?_appengine_legacy/.+
-)'''
+extend-exclude = '''
+/(
+  | _appengine_legacy
+  | migrations
+)/
+'''
\ No newline at end of file
diff --git a/backend/users/models.py b/backend/users/models.py
index 7b8c7cd3..2119144f 100644
--- a/backend/users/models.py
+++ b/backend/users/models.py
@@ -57,9 +57,7 @@ class User(AbstractUser):
         editable=False,
     )
 
-    email = models.EmailField(
-        verbose_name=_("email address"), blank=False, null=False, unique=True
-    )
+    email = models.EmailField(verbose_name=_("email address"), blank=False, null=False, unique=True)
 
     ngo = models.ForeignKey(
         Ngo,
@@ -71,9 +69,7 @@ class User(AbstractUser):
     )
 
     # originally: verified
-    is_verified = models.BooleanField(
-        verbose_name=_("is verified"), db_index=True, default=False
-    )
+    is_verified = models.BooleanField(verbose_name=_("is verified"), db_index=True, default=False)
 
     validation_token = models.UUIDField(verbose_name=_("validation token"), blank=True, null=True, editable=False)
 
diff --git a/backend/users/tests.py b/backend/users/tests.py
index 49290204..a39b155a 100644
--- a/backend/users/tests.py
+++ b/backend/users/tests.py
@@ -1,2 +1 @@
-
 # Create your tests here.
diff --git a/backend/users/views.py b/backend/users/views.py
index b8e4ee02..60f00ef0 100644
--- a/backend/users/views.py
+++ b/backend/users/views.py
@@ -1,2 +1 @@
-
 # Create your views here.