diff --git a/registrasion/controllers/category.py b/registrasion/controllers/category.py
index 7bd08283..5a6b4a68 100644
--- a/registrasion/controllers/category.py
+++ b/registrasion/controllers/category.py
@@ -2,9 +2,11 @@ from .product import ProductController
 
 from registrasion import models as rego
 
+
 class AllProducts(object):
     pass
 
+
 class CategoryController(object):
 
     @classmethod
diff --git a/registrasion/tests/test_cart.py b/registrasion/tests/test_cart.py
index 7c51c131..bc58d5fb 100644
--- a/registrasion/tests/test_cart.py
+++ b/registrasion/tests/test_cart.py
@@ -293,10 +293,11 @@ class BasicCartTests(RegistrationCartTestCase):
     def __available_products_test(self, item, quantity):
         self.set_limits()
 
-        get_prods = lambda: ProductController.available_products(
-            self.USER_1,
-            products=[self.PROD_2, self.PROD_3, self.PROD_4],
-        )
+        def get_prods():
+            return ProductController.available_products(
+                self.USER_1,
+                products=[self.PROD_2, self.PROD_3, self.PROD_4],
+            )
 
         current_cart = CartController.for_user(self.USER_1)
         prods = get_prods()
diff --git a/registrasion/views.py b/registrasion/views.py
index 812689f7..2485b438 100644
--- a/registrasion/views.py
+++ b/registrasion/views.py
@@ -243,7 +243,7 @@ def product_category(request, category_id):
     if not products:
         messages.warning(
             request,
-            "There are no products available from category: "+ category.name,
+            "There are no products available from category: " + category.name,
         )
         return redirect("dashboard")