From f1b56311d06aa2371779a34aae0be55e7bb1c1f6 Mon Sep 17 00:00:00 2001
From: Egor Tensin <Egor.Tensin@gmail.com>
Date: Mon, 16 Dec 2019 09:55:50 +0300
Subject: ci: fix a bug in case no positional parameters

---
 ci/boost/build_travis.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'ci/boost/build_travis.py')

diff --git a/ci/boost/build_travis.py b/ci/boost/build_travis.py
index ec38f7c..7f791e4 100755
--- a/ci/boost/build_travis.py
+++ b/ci/boost/build_travis.py
@@ -56,7 +56,7 @@ def _parse_args(argv=None):
     logging.info('Command line arguments: %s', argv)
 
     parser = argparse.ArgumentParser()
-    parser.add_argument('b2_args', nargs='*', metavar='B2_ARG', default=(),
+    parser.add_argument('b2_args', nargs='*', metavar='B2_ARG', default=[],
                         help='additional b2 arguments, to be passed verbatim')
     return parser.parse_args(argv)
 
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