Fix switch generation bug for new unit parameter in schema
@@ -1313,7 +1313,7 @@ def schema_libs(cfg, lib='default', stackup='default', corner='default'):
cfg['library'][lib]['units'] = {}
for item in units:
cfg['library'][lib]['units'][item] = {
- 'switch': "-library_units_{item} 'lib <str>'",
+ 'switch': f"-library_units_{item} 'lib <str>'",
'type': 'str',
'lock': 'false',
'require': None,
