X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=resources%2Flibraries%2Fpython%2FPLRsearch%2FPLRsearch.py;h=37ee46840523230def278b83279b50479ddd7721;hb=refs%2Fchanges%2F96%2F27296%2F4;hp=e20d293d3c0f8425c9a8c826c914b12e8726167e;hpb=e3e4de9a122f15fd72e1005951849d1440067d2e;p=csit.git

diff --git a/resources/libraries/python/PLRsearch/PLRsearch.py b/resources/libraries/python/PLRsearch/PLRsearch.py
index e20d293d3c..37ee468405 100644
--- a/resources/libraries/python/PLRsearch/PLRsearch.py
+++ b/resources/libraries/python/PLRsearch/PLRsearch.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2019 Cisco and/or its affiliates.
+# Copyright (c) 2020 Cisco and/or its affiliates.
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at:
@@ -633,7 +633,15 @@ class PLRsearch:
                 and number of samples used for this iteration.
             :rtype: _PartialResult
             """
-            pipe.send(None)
+            # If worker encountered an exception, we get it in the recv below,
+            # but send will report a broken pipe.
+            # EAFP says we should ignore the error (instead of polling first).
+            # https://devblogs.microsoft.com/python
+            #   /idiomatic-python-eafp-versus-lbyl/
+            try:
+                pipe.send(None)
+            except BrokenPipeError:
+                pass
             if not pipe.poll(10.0):
                 raise RuntimeError(f"Worker {name} did not finish!")
             result_or_traceback = pipe.recv()