diff --git a/src/account/models.py b/src/account/models.py
index 946366206503f812b6925a80e6e59b4d1c60dee1..6b0bb79c09d62f3d045e97ef37b976931cc2cb2d 100644
--- a/src/account/models.py
+++ b/src/account/models.py
@@ -1,6 +1,5 @@
 from django.db import models
 from django.contrib.auth.models import User
-from django.utils import timezone
 from django.core.exceptions import ValidationError
 import datetime
 
@@ -23,5 +22,5 @@ class Profile(models.Model):
         return self.user.username
 
     def clean(self):
-        if self.join_date > datetime.date.today() or self.join_date < datetime.date(2015, 1,1):
+        if self.join_date > datetime.date.today() or self.join_date < datetime.date(2015, 1, 1):
             raise ValidationError('Invalid date')
diff --git a/src/stats/models.py b/src/stats/models.py
index c21c7211c13ef389de79d0c20dda383dff192549..b3cea98f8d0779a9f8b033e69beb89750e7b3d79 100644
--- a/src/stats/models.py
+++ b/src/stats/models.py
@@ -2,7 +2,6 @@ from django.db import models
 from account.models import Profile
 from django.utils import timezone
 from django.core.exceptions import ValidationError
-# Create your models here.
 
 
 class KszkEvent(models.Model):
diff --git a/src/stats/tests.py b/src/stats/tests.py
index 7ce503c2dd97ba78597f6ff6e4393132753573f6..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 100644
--- a/src/stats/tests.py
+++ b/src/stats/tests.py
@@ -1,3 +0,0 @@
-from django.test import TestCase
-
-# Create your tests here.