diff --git a/cellxgene_gateway/cache_entry.py b/cellxgene_gateway/cache_entry.py
index 311e5c0..ea12390 100644
--- a/cellxgene_gateway/cache_entry.py
+++ b/cellxgene_gateway/cache_entry.py
@@ -171,11 +171,15 @@ class CacheEntry:
             cellxgene_response = get(full_path, headers=headers)
         elif request.method == "PUT":
             cellxgene_response = put(
-                full_path, headers=headers, data=request.data,
+                full_path,
+                headers=headers,
+                data=request.data,
             )
         elif request.method == "POST":
             cellxgene_response = post(
-                full_path, headers=headers, data=request.data,
+                full_path,
+                headers=headers,
+                data=request.data,
             )
         else:
             raise CellxgeneException(
@@ -195,7 +199,9 @@ class CacheEntry:
                 resp_headers[h] = cellxgene_response.headers[h]
 
         gateway_response = make_response(
-            gateway_content, cellxgene_response.status_code, resp_headers,
+            gateway_content,
+            cellxgene_response.status_code,
+            resp_headers,
         )
 
         return gateway_response
diff --git a/cellxgene_gateway/env.py b/cellxgene_gateway/env.py
index 0df5723..2cc491a 100644
--- a/cellxgene_gateway/env.py
+++ b/cellxgene_gateway/env.py
@@ -31,10 +31,16 @@ enable_upload = os.environ.get("GATEWAY_ENABLE_UPLOAD", "").lower() in [
 ]
 enable_annotations = os.environ.get(
     "GATEWAY_ENABLE_ANNOTATIONS", ""
-).lower() in ["true", "1",]
+).lower() in [
+    "true",
+    "1",
+]
 enable_backed_mode = os.environ.get(
     "GATEWAY_ENABLE_BACKED_MODE", ""
-).lower() in ["true", "1",]
+).lower() in [
+    "true",
+    "1",
+]
 
 env_vars = {
     "CELLXGENE_LOCATION": cellxgene_location,