diff --git a/PyRIGS/tests/test_unit.py b/PyRIGS/tests/test_unit.py
index d072e6c2..dd03fbd8 100644
--- a/PyRIGS/tests/test_unit.py
+++ b/PyRIGS/tests/test_unit.py
@@ -129,7 +129,6 @@ class TestSampleDataGenerator(TestCase):
         assert response.status_code == 403
         self.client.logout()
 
-
     def test_keyholder_access(self):
         assert self.client.login(username="keyholder", password="keyholder")
 
diff --git a/RIGS/models.py b/RIGS/models.py
index 6c5f5582..69b3f508 100644
--- a/RIGS/models.py
+++ b/RIGS/models.py
@@ -24,7 +24,7 @@ class Profile(AbstractUser):
     phone = models.CharField(max_length=13, null=True, default='')
     api_key = models.CharField(max_length=40, blank=True, editable=False, default='')
     is_approved = models.BooleanField(default=False)
-     # Currently only populated by the admin approval email. TODO: Populate it each time we send any email, might need that...
+    # Currently only populated by the admin approval email. TODO: Populate it each time we send any email, might need that...
     last_emailed = models.DateTimeField(blank=True, null=True)
     dark_theme = models.BooleanField(default=False)
 
diff --git a/app.json b/app.json
index 807c2d98..500721ae 100644
--- a/app.json
+++ b/app.json
@@ -51,7 +51,7 @@
       "url": "heroku/nodejs"
     },
     {
-      "url": "heroku/python"
+      "url": "https://github.com/nottinghamtec/heroku-buildpack-python"
     }
   ]
 }