fix update_placeholder_formats not updating
@@ -483,7 +483,7 @@ class Module(Thread):
format = Formatter().update_placeholder_formats(
format_string, placeholder_formats
)
- mod_config[format_param] = format
+ setattr(class_inst, format_param, format)
# Add the py3 module helper if modules self.py3 is not defined
if not hasattr(self.module_class, 'py3'):
