[clang-tidy] run-clang-tidy.py - fails using python 3.7
Differential Revision: https://reviews.llvm.org/D51220

git-svn-id: https://llvm.org/svn/llvm-project/clang-tools-extra/trunk@342540 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/clang-tidy/tool/run-clang-tidy.py b/clang-tidy/tool/run-clang-tidy.py
index 3852ba2..93635cb 100755
--- a/clang-tidy/tool/run-clang-tidy.py
+++ b/clang-tidy/tool/run-clang-tidy.py
@@ -167,9 +167,9 @@
     if proc.returncode != 0:
       failed_files.append(name)
     with lock:
-      sys.stdout.write(' '.join(invocation) + '\n' + output + '\n')
-      if err > 0:
-        sys.stderr.write(err + '\n')
+      sys.stdout.write(' '.join(invocation) + '\n' + output.decode('utf-8') + '\n')
+      if len(err) > 0:
+        sys.stderr.write(err.decode('utf-8') + '\n')
     queue.task_done()