just compare the id, if it exists

Author: geomar-madolf

frost_sta_client/model/entity.py

@@ -109,8 +109,9 @@ def __eq__(self, other):
             return False
         if id(self) == id(other):
             return True
-        if self.id != other.id:
-            return False
+        if self.id and other.id:
+            if self.id != other.id:
+                return False
         return True
 
     def __ne__(self, other):