diff --git a/webapp/models.py b/webapp/models.py
index 3715bb8..0184260 100644
--- a/webapp/models.py
+++ b/webapp/models.py
@@ -136,7 +136,8 @@ class SignupForm(models.Model):
                         "pattern": pattern
                     }
                 }
-            else: raise Exception("invalid question type!")
+            else:
+                raise Exception("invalid question type!")
 
         ids = list(map(lambda x: x["id"], questions))
         return {
diff --git a/webapp/tests/signup_fixture.py b/webapp/tests/signup_fixture.py
index 39856e3..1ba09f1 100644
--- a/webapp/tests/signup_fixture.py
+++ b/webapp/tests/signup_fixture.py
@@ -10,7 +10,7 @@ ALL_QUESTION_TYPES = [
     {"id": "i10d426d5", "name": "Asd3", "type": "checkbox", "options": ["A", "B", "C"]}
 ]
 
-ALL_QUESTION_TYPES_ANSWER = {"j5CeRZDvl": "Testi", "RHJhSoaLD": "maybe", "i10d426d5": ["B","C"]}
+ALL_QUESTION_TYPES_ANSWER = {"j5CeRZDvl": "Testi", "RHJhSoaLD": "maybe", "i10d426d5": ["B", "C"]}
 
 
 def createSignupForm(name="Form1", start_time=timezone.now(), end_time=month_from_now(), questions=ALL_QUESTION_TYPES, visible=True):
diff --git a/webapp/tests/test_signup.py b/webapp/tests/test_signup.py
index ea4bfa9..99f55b2 100644
--- a/webapp/tests/test_signup.py
+++ b/webapp/tests/test_signup.py
@@ -95,7 +95,7 @@ class SignupTestCase(APITestCase):
         self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
 
         # Bad id
-        response = self.client.post(URL, createSignupRequest(self.signupFormText.id, { "malformed": "Tekstiä" }), format="json")
+        response = self.client.post(URL, createSignupRequest(self.signupFormText.id, {"malformed": "Tekstiä"}), format="json")
         self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
 
         # Wrong data type for text
@@ -110,7 +110,7 @@ class SignupTestCase(APITestCase):
 
         # Wrong data type for checkbox
         response = self.client.post(URL, createSignupRequest(self.signupFormCheck.id, {
-            "i10d426d5": {"j5CeRZDvl": { "asd": "123" }}
+            "i10d426d5": {"j5CeRZDvl": {"asd": "123"}}
         }), format="json")
         self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
 
@@ -122,13 +122,12 @@ class SignupTestCase(APITestCase):
 
         # Wrong data type for radiobutton
         response = self.client.post(URL, createSignupRequest(self.signupFormRadio.id, {
-            "RHJhSoaLD": { "asd": "123" }
+            "RHJhSoaLD": {"asd": "123"}
         }), format="json")
         self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
 
         self.assertEqual(Signup.objects.count(), 2)
 
-
     # Update and Delete are available for super admin (Django Admin)
     # and to the user that signed up (uid token)
     @skip("NotImplemented")