Replaced many smart_bytes by force_bytes

In all those occurrences, we didn't care about preserving the
lazy status of the strings, but we really wanted to obtain a
real bytestring.

1 files changed, 1 insertions, 1 deletions

diff --git a/docs/topics/cache.txt b/docs/topics/cache.txt
index 219b6c7795..f13238e342 100644
--- a/docs/topics/cache.txt
+++ b/docs/topics/cache.txt
@@ -864,7 +864,7 @@ key version to provide a final cache key. By default, the three parts
 are joined using colons to produce a final string::
 
     def make_key(key, key_prefix, version):
-        return ':'.join([key_prefix, str(version), smart_bytes(key)])
+        return ':'.join([key_prefix, str(version), key])
 
 If you want to combine the parts in different ways, or apply other
 processing to the final key (e.g., taking a hash digest of the key