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[commands] Fix crash when a group has no commands and help is requested

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This commit is contained in:
Rapptz 2016-01-30 20:29:58 -05:00
parent 085e8d4eb3
commit 17e17cade9
1 changed files with 3 additions and 1 deletions
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4
discord/ext/commands/formatter.py
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@ -104,7 +104,9 @@ class HelpFormatter:
the largest subcommand name."""
try:
commands = self.command.commands if not self.is_cog() else self.context.bot.commands
return max(map(lambda c: len(c.name), commands.values()))
if commands:
return max(map(lambda c: len(c.name), commands.values()))
return 0
except AttributeError:
return len(self.command.name)