commit 0d6aa7f0ee38eb453bc8f73bf4830e6172be2f35
author han-solo <hanish0019@gmail.com> Tue Sep 01 10:34:29 2020 -0400
committer GitHub <noreply@github.com> Tue Sep 01 10:34:29 2020 -0400
tree 514106377b382e93d955fedc230dcc6e3a36cfff
parent f5a16b4dbf62cb9b48c42098bd5a8cfa665456c3

bpo-41681: Fix for `f-string/str.format` error description when using 2 `,` in format specifier (GH-22036)

* Fixed `f-string/str.format` error description when using two `,` in format specifier.

Co-authored-by: millefalcon <hanish0019@hmail.com>

Python/formatter_unicode.c

diff --git a/Python/formatter_unicode.c b/Python/formatter_unicode.c
index 74638ca..ed95f26 100644
--- a/Python/formatter_unicode.c
+++ b/Python/formatter_unicode.c
@@ -252,8 +252,10 @@
         ++pos;
     }
     if (end-pos && READ_spec(pos) == ',') {
-        invalid_comma_and_underscore();
-        return 0;
+        if (format->thousands_separators == LT_UNDERSCORE_LOCALE) {
+            invalid_comma_and_underscore();
+            return 0;
+        }
     }
 
     /* Parse field precision */