From 750a8ab6ca22e85df38d3d54845ac489c94ac0df Mon Sep 17 00:00:00 2001
From: Lidi Zheng <lidiz@google.com>
Date: Mon, 26 Aug 2019 12:05:21 -0700
Subject: [PATCH] Fix import

---
 src/python/grpcio_tests/tests/unit/_local_credentials_test.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/python/grpcio_tests/tests/unit/_local_credentials_test.py b/src/python/grpcio_tests/tests/unit/_local_credentials_test.py
index 14b68cb590..8690505b86 100644
--- a/src/python/grpcio_tests/tests/unit/_local_credentials_test.py
+++ b/src/python/grpcio_tests/tests/unit/_local_credentials_test.py
@@ -14,6 +14,7 @@
 """Test of RPCs made using local credentials."""
 
 import unittest
+import os
 from concurrent.futures import ThreadPoolExecutor
 import grpc
 
-- 
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