From 219afcd4590a0e4ed67a4dabb1bed62c1fd07d29 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Babski?= <rbabski@n7space.com>
Date: Thu, 23 May 2024 11:57:51 +0100
Subject: [PATCH] Method str.removeprefix changed to str slice to support
 python older than 3.9

---
 sdl2promela/sdl/type_info.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/sdl2promela/sdl/type_info.py b/sdl2promela/sdl/type_info.py
index 58a26efb..7ba77ee5 100644
--- a/sdl2promela/sdl/type_info.py
+++ b/sdl2promela/sdl/type_info.py
@@ -59,9 +59,9 @@ def build_type_info(all_types: Dict[str, Asn1Type]) -> TypeInfo:
             if asn1_type.AddedType == "True" and escaped_name not in handled_types:
                 for existing_mapping in iter(possible_parents):
                     if escaped_name.startswith(existing_mapping):
-                        part_name = escaped_name.removeprefix(
-                            existing_mapping
-                        )  # part_name shall start with '_'
+                        part_name = escaped_name[
+                            len(existing_mapping) :
+                        ]  # part_name shall start with '_'
                         type_info.all_types[
                             escaped_name
                         ] = f"{existing_mapping}_{part_name}"