# HG changeset patch
# User Augie Fackler <augie@google.com>
# Date 2015-04-14 20:24:32
# Node ID 4f2c74ef81288cd2050f6c0cdb917ae8db434b46
# Parent  c4217a046b62c6b7fcae7f4659a7e66b28678e79

run-tests: write bytes to the binary buffer on sys.{stdout,stderr}

diff --git a/tests/run-tests.py b/tests/run-tests.py
--- a/tests/run-tests.py
+++ b/tests/run-tests.py
@@ -1290,8 +1290,13 @@ class TestResult(unittest._TextTestResul
                 else:
                     self.stream.write('\n')
                     for line in lines:
-                        self.stream.write(line)
-                    self.stream.flush()
+                        if sys.version_info[0] > 2:
+                            self.stream.flush()
+                            self.stream.buffer.write(line)
+                            self.stream.buffer.flush()
+                        else:
+                            self.stream.write(line)
+                            self.stream.flush()
 
             # handle interactive prompt without releasing iolock
             if self._options.interactive: