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, 3 insertions, 3 deletions

diff --git a/Lib/distutils/command/bdist_wininst.py b/Lib/distutils/command/bdist_wininst.py
index b2e2fc6dc8..b886055f27 100644
--- a/Lib/distutils/command/bdist_wininst.py
+++ b/Lib/distutils/command/bdist_wininst.py
@@ -263,11 +263,11 @@ class bdist_wininst(Command):
         cfgdata = cfgdata + b"\0"
         if self.pre_install_script:
             # We need to normalize newlines, so we open in text mode and
-            # convert back to bytes. "latin1" simply avoids any possible
+            # convert back to bytes. "latin-1" simply avoids any possible
             # failures.
             with open(self.pre_install_script, "r",
-                encoding="latin1") as script:
-                script_data = script.read().encode("latin1")
+                encoding="latin-1") as script:
+                script_data = script.read().encode("latin-1")
             cfgdata = cfgdata + script_data + b"\n\0"
         else:
             # empty pre-install script