[py3] Always fed hashlib with bytes.

1 files changed, 2 insertions, 1 deletions

diff --git a/django/template/loaders/cached.py b/django/template/loaders/cached.py
index 4c25acd599..fb987a5e3a 100644
--- a/django/template/loaders/cached.py
+++ b/django/template/loaders/cached.py
@@ -6,6 +6,7 @@ to load templates from them in order, caching the result.
 import hashlib
 from django.template.base import TemplateDoesNotExist
 from django.template.loader import BaseLoader, get_template_from_string, find_template_loader, make_origin
+from django.utils.encoding import force_bytes
 
 class Loader(BaseLoader):
     is_usable = True
@@ -40,7 +41,7 @@ class Loader(BaseLoader):
         key = template_name
         if template_dirs:
             # If template directories were specified, use a hash to differentiate
-            key = '-'.join([template_name, hashlib.sha1('|'.join(template_dirs)).hexdigest()])
+            key = '-'.join([template_name, hashlib.sha1(force_bytes('|'.join(template_dirs))).hexdigest()])
 
         if key not in self.template_cache:
             template, origin = self.find_template(template_name, template_dirs)