diff --git a/clang-tools-extra/test/clang-tidy/check_clang_tidy.py b/clang-tools-extra/test/clang-tidy/check_clang_tidy.py
--- a/clang-tools-extra/test/clang-tidy/check_clang_tidy.py
+++ b/clang-tools-extra/test/clang-tidy/check_clang_tidy.py
@@ -173,7 +173,10 @@
     print('Running ' + repr(args) + '...')
     clang_tidy_output = try_run(args)
     print('------------------------ clang-tidy output -----------------------')
-    print(clang_tidy_output.encode())
+    if sys.version_info.major >= 3:
+      print(clang_tidy_output);
+    else:
+      print(clang_tidy_output.encode())
     print('\n------------------------------------------------------------------')
 
     diff_output = try_run(['diff', '-u', self.original_file_name, self.temp_file_name], False)