diff --git a/anitya/db/migrations/versions/ebc827e80373_remove_unique_attribute_from_username.py b/anitya/db/migrations/versions/ebc827e80373_remove_unique_attribute_from_username.py
index 44876c14..ae78b777 100644
--- a/anitya/db/migrations/versions/ebc827e80373_remove_unique_attribute_from_username.py
+++ b/anitya/db/migrations/versions/ebc827e80373_remove_unique_attribute_from_username.py
@@ -7,19 +7,20 @@
 
 from alembic import op
 
-
 # revision identifiers, used by Alembic.
-revision = 'ebc827e80373'
-down_revision = '8ba7d4c42044'
+revision = "ebc827e80373"
+down_revision = "8ba7d4c42044"
 
 
 def upgrade():
+    """Alembic migration."""
     # ### commands auto generated by Alembic - please adjust! ###
-    op.drop_constraint('ix_users_username', 'users', type_='unique')
+    op.drop_constraint("ix_users_username", "users", type_="unique")
     # ### end Alembic commands ###
 
 
 def downgrade():
+    """Downgrade migration."""
     # ### commands auto generated by Alembic - please adjust! ###
-    op.create_unique_constraint('ix_users_username', 'users', ['username'])
+    op.create_unique_constraint("ix_users_username", "users", ["username"])
     # ### end Alembic commands ###
diff --git a/anitya/tests/db/test_models.py b/anitya/tests/db/test_models.py
index 0b9849de..ad7728a1 100644
--- a/anitya/tests/db/test_models.py
+++ b/anitya/tests/db/test_models.py
@@ -1128,6 +1128,21 @@ def test_is_admin_configured(self):
             self.assertTrue(user.is_admin)
             self.assertTrue(user.admin)
 
+    def test_is_admin_configured_email(self):
+        """Assert default value for admin flag."""
+        user = models.User(email="user@fedoraproject.org", username="user", admin=False)
+        self.session.add(user)
+        self.session.commit()
+
+        mock_dict = mock.patch.dict(
+            "anitya.config.config", {"ANITYA_WEB_ADMINS": [six.text_type(user.email)]}
+        )
+
+        with mock_dict:
+            self.assertFalse(user.admin)
+            self.assertTrue(user.is_admin)
+            self.assertTrue(user.admin)
+
     def test_to_dict(self):
         """Assert the correct dictionary is returned."""
         user = models.User(email="user@fedoraproject.org", username="user")