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| author | Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> | 2019-11-12 00:59:14 (GMT) |
|---|---|---|
| committer | Raymond Hettinger <rhettinger@users.noreply.github.com> | 2019-11-12 00:59:14 (GMT) |
| commit | d8e08456025d9349abbf76035c821d3f7b2d722a (patch) | |
| tree | f9269b7b2f409aaa9b342f7fe64edc5353cb97ad | |
| parent | 85e415108226cc5f3fdddd70196fc4c2a1d0f7f4 (diff) | |
| download | cpython-d8e08456025d9349abbf76035c821d3f7b2d722a.zip cpython-d8e08456025d9349abbf76035c821d3f7b2d722a.tar.gz cpython-d8e08456025d9349abbf76035c821d3f7b2d722a.tar.bz2 | |
bpo-38771: Explict test for None in code example (GH-17108) (GH-17109)
(cherry picked from commit 98480cef9dba04794bd61c7e7cca643d384c8c35)
Co-authored-by: Jonathan Scholbach <j.scholbach@posteo.de>
| -rw-r--r-- | Doc/library/collections.rst | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Doc/library/collections.rst b/Doc/library/collections.rst index 90a3f4b..a5e8d04 100644 --- a/Doc/library/collections.rst +++ b/Doc/library/collections.rst @@ -162,7 +162,7 @@ environment variables which in turn take precedence over default values:: parser.add_argument('-u', '--user') parser.add_argument('-c', '--color') namespace = parser.parse_args() - command_line_args = {k:v for k, v in vars(namespace).items() if v} + command_line_args = {k: v for k, v in vars(namespace).items() if v is not None} combined = ChainMap(command_line_args, os.environ, defaults) print(combined['color']) |