diff --git a/admin.py b/admin.py
index 8c38f3f..7580f04 100644
--- a/admin.py
+++ b/admin.py
@@ -1,3 +1,5 @@
+# uplim/admin.py
+
 from django.contrib import admin
 
 # Register your models here.
diff --git a/apps.py b/apps.py
index 9a84079..f863339 100644
--- a/apps.py
+++ b/apps.py
@@ -1,6 +1,8 @@
+# uplim/apps.py
+
 from django.apps import AppConfig
 
 
 class AxcUlConfig(AppConfig):
-    default_auto_field = 'django.db.models.BigAutoField'
-    name = 'uplim'
+    default_auto_field = "django.db.models.BigAutoField"
+    name = "uplim"
diff --git a/tests.py b/tests.py
index 7ce503c..9c8fd37 100644
--- a/tests.py
+++ b/tests.py
@@ -1,3 +1,5 @@
+# uplim/tests.py
+
 from django.test import TestCase
 
 # Create your tests here.
diff --git a/utils/decorators.py b/utils/decorators.py
index cb69574..8915d9f 100644
--- a/utils/decorators.py
+++ b/utils/decorators.py
@@ -1,3 +1,5 @@
+# uplim/utils/decorators.py
+
 import time
 from functools import wraps
 from rest_framework.response import Response
diff --git a/views.py b/views.py
index 43d77ef..437b193 100644
--- a/views.py
+++ b/views.py
@@ -1,7 +1,6 @@
 # uplim/views.py
 
-# from astropy_healpix import HEALPix does not have an option to
-#                                     search for pixels non-inclusively
+# from astropy_healpix import HEALPix does not have an option to search for pixels non-inclusively so we have to use healpy
 import healpy as hp
 import astropy.units as u
 import numpy as np
@@ -679,7 +678,7 @@ class StackedUpperLimitView(APIView):
             or annulus_pixels.filter(contaminated=True).exists()
         )
 
-        # exclude contaminated pixels from the background and source regions
+        # exclude contaminated pixels from the background regions
         annulus_pixels = annulus_pixels.exclude(contaminated=True)
         # source_pixels = source_pixels.exclude(contaminated=True)
 
@@ -914,10 +913,6 @@ class StackedUpperLimitView(APIView):
 
         # iterate over source vectors, making maps
 
-        # # Create a single list to hold all Healpix IDs
-        # all_map_pixels = []
-        # source_indices = []
-
         hpid_to_source_indices_map = defaultdict(list)
 
         # Iterate over source vectors and get all unique Healpix IDs
@@ -950,15 +945,6 @@ class StackedUpperLimitView(APIView):
         map_exposure_list = []
         map_source_indices_list = []
 
-        # # turn the queryset to a list
-        # map_pixels_list = list(map_pixels_qs)
-
-        # # get lists of healpix indices and count values
-        # map_healpix_list = [d["hpid"] for d in map_pixels_list]
-        # map_counts_list = [d["counts"] for d in map_pixels_list]
-        # map_exposure_list = [d["exposure"] for d in map_pixels_list]
-        # # map_contaminated_list = [d["contaminated"] for d in map_pixels_list]
-
         for hpid, source_indices in hpid_to_source_indices_map.items():
             # Check if this pixel was actually found in the database query
             if hpid in db_results_map: