Normalize the encoding names for Latin-1 and UTF-8 to

'latin-1' and 'utf-8'.

These are optimized in the Python Unicode implementation
to result in more direct processing, bypassing the codec
registry.

Also see issue11303.

1 files changed, 1 insertions, 1 deletions

diff --git a/Lib/sre_parse.py b/Lib/sre_parse.py
index 13737ca12f..ae63c31ebc 100644
--- a/Lib/sre_parse.py
+++ b/Lib/sre_parse.py
@@ -791,7 +791,7 @@ def parse_template(source, pattern):
     else:
         # The tokenizer implicitly decodes bytes objects as latin-1, we must
         # therefore re-encode the final representation.
-        encode = lambda x: x.encode('latin1')
+        encode = lambda x: x.encode('latin-1')
     for c, s in p:
         if c is MARK:
             groupsappend((i, s))