Make Weather.weather less complicated and fix the bug where it wouldn't be listed as a command until it had been called once.

plugins/Weather/config.py

@@ -57,9 +57,6 @@ class WeatherCommand(registry.String):
         if s not in m:
             raise registry.InvalidRegistryValue,\
                   format('Command must be one of %L', m)
-        else:
-            method = getattr(plugin.Weather, s)
-            plugin.Weather.weather.im_func.__doc__ = method.__doc__
         registry.String.setValue(self, s)
 
 Weather = conf.registerPlugin('Weather')

plugins/Weather/plugin.py

@@ -62,7 +62,10 @@ class Weather(callbacks.Plugin):
         raise NoLocation, noLocationError
 
     def weather(self, irc, msg, args, location):
-        # This specifically does not have a docstring.
+        """<US zip code | US/Canada city, state | Foreign city, country>
+
+        Returns the approximate weather conditions for a given city.
+        """
         channel = None
         if irc.isChannel(msg.args[0]):
             channel = msg.args[0]