diff --git a/src/objects/accounts/migrations/0001_initial.py b/src/objects/accounts/migrations/0001_initial.py
index 81d040b9..f91b391f 100644
--- a/src/objects/accounts/migrations/0001_initial.py
+++ b/src/objects/accounts/migrations/0001_initial.py
@@ -1,6 +1,4 @@
-# -*- coding: utf-8 -*-
 # Generated by Django 1.10.4 on 2017-01-16 14:49
-from __future__ import unicode_literals
 
 from django.db import migrations, models
 import django.utils.timezone
diff --git a/src/objects/utils/context_processors.py b/src/objects/utils/context_processors.py
index 2c7d57c2..eb7bfd03 100644
--- a/src/objects/utils/context_processors.py
+++ b/src/objects/utils/context_processors.py
@@ -11,9 +11,7 @@ def settings(request):
     )
 
     context = {
-        "settings": dict(
-            [(k, getattr(django_settings, k, None)) for k in public_settings]
-        ),
+        "settings": {k: getattr(django_settings, k, None) for k in public_settings},
     }
 
     if hasattr(django_settings, "SENTRY_CONFIG"):
diff --git a/src/objects/utils/migration_operations.py b/src/objects/utils/migration_operations.py
index ba82e50e..595dcc3f 100644
--- a/src/objects/utils/migration_operations.py
+++ b/src/objects/utils/migration_operations.py
@@ -7,7 +7,7 @@
 def _get_reset_sql() -> str:
     INFILE = os.path.join(settings.BASE_DIR, "bin", "reset_sequences.sql")
 
-    with open(INFILE, "r") as infile:
+    with open(INFILE) as infile:
         SQL = infile.read()
 
     return SQL
diff --git a/src/objects/utils/serializers.py b/src/objects/utils/serializers.py
index 5e3d5c97..7cf75a48 100644
--- a/src/objects/utils/serializers.py
+++ b/src/objects/utils/serializers.py
@@ -140,7 +140,7 @@ def get_query_fields(self) -> list:
         if not fields:
             return []
 
-        return list(set(field.strip() for field in fields.split(",")))
+        return list({field.strip() for field in fields.split(",")})
 
     def get_allowed_fields(self, instance) -> list:
         request = self.context.get("request")
diff --git a/src/objects/utils/templatetags/utils.py b/src/objects/utils/templatetags/utils.py
index 53b319ff..62206ff0 100644
--- a/src/objects/utils/templatetags/utils.py
+++ b/src/objects/utils/templatetags/utils.py
@@ -47,7 +47,7 @@ def placekitten(width=800, height=600):
         {%placekitten %}
         {%placekitten 200 200 %}
     """
-    return format_html('<img src="{}" />'.format(placekitten_src(width, height)))
+    return format_html(f'<img src="{placekitten_src(width, height)}" />')
 
 
 @register.simple_tag
@@ -61,4 +61,4 @@ def placekitten_src(width=800, height=600):
         {% placekitten_src 200 200 as mobile_src %}
         {% include 'components/image/image.html' with mobile_src=mobile_src src=src alt='placekitten' only %}
     """
-    return "//placekitten.com/{}/{}".format(width, height)
+    return f"//placekitten.com/{width}/{height}"