fix issue with help command/categories

CHANGELOG.md

@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 
 ## [Unreleased]
+### Fixed
+- Issue where `?help` might not work for all people.
 
 
 ## [2.7.1] - 2021-04-12

exts/base.py

@@ -50,7 +50,8 @@ class QrmHelpCommand(commands.HelpCommand):
             ret.sort(key=lambda c: c.__original_kwargs__["category"].name)
 
             for cat in cmn.BoltCats:
-                ret += sorted(bolt_cmds[cat], key=lambda c: c.name)
+                if cat in bolt_cmds:
+                    ret += sorted(bolt_cmds[cat], key=lambda c: c.name)
 
             return ret