Remove unnecessary fcntl module import
diff --git a/src/python/grpcio_tests/tests/_runner.py b/src/python/grpcio_tests/tests/_runner.py
index f071857..81c6100 100644
--- a/src/python/grpcio_tests/tests/_runner.py
+++ b/src/python/grpcio_tests/tests/_runner.py
@@ -30,7 +30,6 @@
 from __future__ import absolute_import
 
 import collections
-import fcntl
 import multiprocessing
 import os
 import select