make sure travis sees some output in time

1 files changed, 2 insertions, 1 deletions

diff --git a/tools/build_release_files.py b/tools/build_release_files.py
index b01d4b8ea..6bf418fe6 100755
--- a/tools/build_release_files.py
+++ b/tools/build_release_files.py
@@ -71,6 +71,7 @@ for board in build_boards:
         if travis:
             print('travis_fold:end:adafruit-bins-{}-{}\\r'.format(language, board))
 
-        print()
+        # Flush so travis will see something before 10 minutes has passed.
+        print(flush=True)
 
 sys.exit(exit_status)