diff --git a/lldb/packages/Python/lldbsuite/test/lang/cpp/trivial_abi/TestTrivialABI.py b/lldb/packages/Python/lldbsuite/test/lang/cpp/trivial_abi/TestTrivialABI.py
index 34ab00e1dc82..8666b25a0ce5 100644
--- a/lldb/packages/Python/lldbsuite/test/lang/cpp/trivial_abi/TestTrivialABI.py
+++ b/lldb/packages/Python/lldbsuite/test/lang/cpp/trivial_abi/TestTrivialABI.py
@@ -9,6 +9,7 @@ import os
 import time
 import re
 import lldb
+import subprocess
 import lldbsuite.test.lldbutil as lldbutil
 from lldbsuite.test.lldbtest import *
 from lldbsuite.test import decorators