Remove hard-coded API key from the library.

wolframalpha/pmxbot.py

@@ -1,12 +1,13 @@
 # -*- coding: utf-8 -*-
 from __future__ import absolute_import
 
+import pmxbot
 from pmxbot.core import command
 
 import wolframalpha
 
 @command("wolframalpha", aliases=('wa',), doc="Wolfram Alpha rules")
 def wa(client, event, channel, nick, rest):
-	client = wolframalpha.Client('Q59EW4-UEL27J79UK')
+	client = wolframalpha.Client(pmxbot.config['Wolfram|Alpha API key'])
 	res = client.query(rest)
 	return next(res.results).text