From bdafdf23e1aef0c3c4f7b41e78e64126fa6f0339 Mon Sep 17 00:00:00 2001
From: Yohan Boniface <yohanboniface@free.fr>
Date: Thu, 23 Feb 2023 11:10:44 +0100
Subject: [PATCH] ETag must be between double quotes per spec

---
 umap/views.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/umap/views.py b/umap/views.py
index 226b0b94..3042b8f2 100644
--- a/umap/views.py
+++ b/umap/views.py
@@ -700,7 +700,7 @@ class GZipMixin(object):
     def etag(self):
         path = self.path()
         with open(path, mode='rb') as f:
-            return hashlib.md5(f.read()).hexdigest()
+            return '"%s"' % hashlib.md5(f.read()).hexdigest()
 
 
 class DataLayerView(GZipMixin, BaseDetailView):
@@ -724,7 +724,7 @@ class DataLayerView(GZipMixin, BaseDetailView):
                     content_type="application/json"
                 )
             response["Last-Modified"] = http_date(statobj.st_mtime)
-            response['ETag'] = '%s' % hashlib.md5(force_bytes(response.content)).hexdigest()  # noqa
+            response['ETag'] = '"%s"' % hashlib.md5(force_bytes(response.content)).hexdigest()  # noqa
             response['Content-Length'] = len(response.content)
         if path.endswith(self.EXT):
             response['Content-Encoding'] = 'gzip'