random seed restoring

modules/async_worker.py

@@ -54,8 +54,13 @@ def worker():
 
         results = []
         seed = image_seed
-        if not isinstance(seed, int) or seed < 0 or seed > 1024*1024*1024:
-            seed = random.randint(1, 1024*1024*1024)
+        max_seed = int(1024*1024*1024)
+
+        if not isinstance(seed, int):
+            seed = random.randint(1, max_seed)
+        if seed < 0:
+            seed = - seed
+        seed = seed % max_seed
 
         all_steps = steps * image_number