fix bug in aws_distributed_training_tutorial

Will Feng · Will Feng · commit 62cfed92bea9 · 2018-12-06T19:54:38.000-05:00
diff --git a/beginner_source/aws_distributed_training_tutorial.py b/beginner_source/aws_distributed_training_tutorial.py
@@ -210,7 +210,10 @@
 import torch
 
 if __name__ == '__main__':
-    torch.multiprocessing.set_start_method('spawn')
+    try:
+        torch.multiprocessing.set_start_method('spawn')
+    except RuntimeError:
+        pass
 
 import torch.nn as nn
 import torch.nn.parallel
