allow None processes

Ernaldis · Ernaldis · commit 91c8db4d20b6 · 2022-05-19T11:05:26.000-05:00
diff --git a/datajoint/autopopulate.py b/datajoint/autopopulate.py
@@ -214,7 +214,7 @@ def handler(signum, frame):
             return
 
         if processes > 1:
-            processes = min(processes, nkeys, mp.cpu_count())
+            processes = min(*(_ for _ in (processes, nkeys, mp.cpu_count()) if _))
 
         error_list = []
         populate_kwargs = dict(
