remove unneeded error check
diff --git a/Objects/stringlib/formatter.h b/Objects/stringlib/formatter.h
index 7b29a9d..ba2a251 100644
--- a/Objects/stringlib/formatter.h
+++ b/Objects/stringlib/formatter.h
@@ -776,14 +776,6 @@
             goto done;
         }
 
-        /* Error to specify a comma. */
-        if (format->thousands_separators) {
-            PyErr_SetString(PyExc_ValueError,
-                            "Thousands separators not allowed with integer"
-                            " format specifier 'c'");
-            goto done;
-        }
-
         /* taken from unicodeobject.c formatchar() */
         /* Integer input truncated to a character */
 /* XXX: won't work for int */