old_contents: from pmxbot import core
  
  
  @core.command("crashnow")
  def crash_immediately():
  	"Crash now!"
  	raise TypeError("You should never call this!")
  
  
  @core.command("crashiter")
  def crash_in_iterator():
  	"Crash in iterator!"
  	raise TypeError("You should never call this!")
  	yield "You can't touch this"
  
  @core.regexp('feck', r'\bfeck\b', doc="We don't use that sort of language around here")
  def foobar(client, event, channel, nick, match):
      if match:
          yield "Clean up your language %s" % nick
          yield repr(match)
  
  @core.command()
  def echo(rest):
  	"echo"
  	return rest
  
new_contents: from pmxbot import core
  
  
  @core.command("crashnow")
  def crash_immediately():
  	"Crash now!"
  	raise TypeError("You should never call this!")
  
  
  @core.command("crashiter")
  def crash_in_iterator():
  	"Crash in iterator!"
  	raise TypeError("You should never call this!")
  	yield "You can't touch this"
  
  @core.regexp('feck', r'\bfeck\b', doc="We don't use that sort of language around here")
  def foobar(client, event, channel, nick, match):
      if match:
          return "Clean up your language %s" % nick
  
  @core.command()
  def echo(rest):
  	"echo"
  	return rest
  
subject: Remove a debugging statement