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Don't blow up if a subcommand has no help string.

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This commit is contained in:
David Logie 2016-05-08 16:43:45 +01:00
parent 5f3c27990d
commit 0f4b454c20
1 changed files with 2 additions and 1 deletions
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3
beets/ui/__init__.py
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@ -989,7 +989,8 @@ class SubcommandsOptionParser(CommonOptionsParser):
result.append(name)
help_width = formatter.width - help_position
help_lines = textwrap.wrap(subcommand.help, help_width)
result.append("%*s%s\n" % (indent_first, "", help_lines[0]))
help_line = help_lines[0] if help_lines else ''
result.append("%*s%s\n" % (indent_first, "", help_line))
result.extend(["%*s%s\n" % (help_position, "", line)
for line in help_lines[1:]])
formatter.dedent()