Index: llvm/test/lit.cfg.py
===================================================================
--- llvm/test/lit.cfg.py
+++ llvm/test/lit.cfg.py
@@ -40,7 +40,7 @@
 
 # Propagate some variables from the host environment.
 llvm_config.with_system_environment(
-    ['HOME', 'INCLUDE', 'LIB', 'TMP', 'TEMP', 'ASAN_SYMBOLIZER_PATH', 'MSAN_SYMBOLIZER_PATH'])
+    ['HOME', 'INCLUDE', 'LIB', 'TMP', 'TEMP', 'ASAN_SYMBOLIZER_PATH', 'MSAN_SYMBOLIZER_PATH', 'PYTHONPATH'])
 
 
 # Set up OCAMLPATH to include newly built OCaml libraries.