Slight modification.

Author: DaanSelen

meshbook.py

@@ -191,15 +191,12 @@ def get_os_variants(category: str, os_map: dict) -> set:
         if not device["reachable"]:
             continue  # Skip unreachable devices.
 
-        if target_os and target_tag not in device["device_tags"]:
+        if target_tag and target_tag not in device["device_tags"]:
             continue
 
         if device["device_os"] not in allowed_os:
             continue
 
-        if target_os and target_os != device["device_os"]:
-            continue
-
         valid_devices.append(device["device_id"])
 
     return valid_devices