diff --git a/src/registrar/forms/portfolio.py b/src/registrar/forms/portfolio.py
index 4d99ebd80..43a391ae0 100644
--- a/src/registrar/forms/portfolio.py
+++ b/src/registrar/forms/portfolio.py
@@ -422,11 +422,15 @@ class PortfolioMemberForm(BasePortfolioMemberForm):
             if role and self.instance.user.is_only_admin_of_portfolio(self.instance.portfolio):
                 # This is how you associate a validation error to a particular field.
                 # The alternative is to do this in clean_role, but execution order matters.
-                raise forms.ValidationError({"role": forms.ValidationError(
-                    "You can't change your member access because you're "
-                    "the only admin for this organization. "
-                    "To change your access, you'll need to add another admin."
-                )})
+                raise forms.ValidationError(
+                    {
+                        "role": forms.ValidationError(
+                            "You can't change your member access because you're "
+                            "the only admin for this organization. "
+                            "To change your access, you'll need to add another admin."
+                        )
+                    }
+                )
 
 
 class PortfolioInvitedMemberForm(BasePortfolioMemberForm):
diff --git a/src/registrar/tests/test_views_portfolio.py b/src/registrar/tests/test_views_portfolio.py
index 8b92fb8fe..81be0d3ad 100644
--- a/src/registrar/tests/test_views_portfolio.py
+++ b/src/registrar/tests/test_views_portfolio.py
@@ -2159,7 +2159,7 @@ class TestPortfolioMemberDeleteView(WebTest):
                 # WSGIRequest protocol is basically the HTTPRequest but in Django form (ie POST '/member/1/delete')
                 self.assertIsInstance(args[0], WSGIRequest)
                 # Check that the error message matches the expected error message
-                self.assertEqual(args[1], expected_error_message)
+                self.assertIn(expected_error_message, args[1])
 
                 # Location is used for a 3xx HTTP status code to indicate that the URL was redirected
                 # and then confirm that we're still on the Manage Members page
diff --git a/src/registrar/views/portfolios.py b/src/registrar/views/portfolios.py
index 61f770849..6233b9e89 100644
--- a/src/registrar/views/portfolios.py
+++ b/src/registrar/views/portfolios.py
@@ -267,7 +267,7 @@ class PortfolioMemberEditView(DetailView, View):
                 "form": form,
                 "member": user,
                 "portfolio_permission": portfolio_permission,
-                "is_only_admin": request.user.is_only_admin_of_portfolio(portfolio_permission.portfolio)
+                "is_only_admin": request.user.is_only_admin_of_portfolio(portfolio_permission.portfolio),
             },
         )