commit ecc118aad0486cb20b17ac810db10232e5605185
author Paul Sokolovsky <paul.sokolovsky@linaro.org> Thu Apr 14 23:10:40 2022 +0300
committer Paul Sokolovsky <paul.sokolovsky@linaro.org> Fri Feb 10 23:15:18 2023 +0700
tree 337bc3e5eb5c9a1e1fd4b08dcb3c56a3afba8c67
parent 7164fa013c2948d9571da5ba229c1cfa7053e9ec

merge.py: Set default value for --json-file to empty list

So it was truly optional (didn't throw error in len() check).

Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>

coverage-tool/coverage-reporting/merge.py

diff --git a/coverage-tool/coverage-reporting/merge.py b/coverage-tool/coverage-reporting/merge.py
index 24e82e2..8dd6664 100755
--- a/coverage-tool/coverage-reporting/merge.py
+++ b/coverage-tool/coverage-reporting/merge.py
@@ -51,7 +51,7 @@
 requiredNamed.add_argument("-o", "--output",
                            help="Name of the output info (merged) file.",
                            required=False)
-parser.add_argument("-j", "--json-file", action='append',
+parser.add_argument("-j", "--json-file", action='append', default=[],
                     help="Input json file to be merged.")
 parser.add_argument("-m", "--output-json",
                     help="Name of the output json (merged) file.")