NoLatin1: Fix compability with Supybot/Gribble.

NoLatin1/plugin.py

@@ -36,9 +36,16 @@ import supybot.plugins as plugins
 import supybot.ircmsgs as ircmsgs
 import supybot.ircutils as ircutils
 import supybot.callbacks as callbacks
-from supybot.i18n import PluginInternationalization, internationalizeDocstring
 
-_ = PluginInternationalization('NoLatin1')
+try:
+    from supybot.i18n import PluginInternationalization
+    from supybot.i18n import internationalizeDocstring
+    _ = PluginInternationalization('NoLatin1')
+except:
+    # This are useless functions that's allow to run the plugin on a bot
+    # without the i18n plugin
+    _ = lambda x:x
+    internationalizeDocstring = lambda x:x
 
 @internationalizeDocstring
 class NoLatin1(callbacks.Plugin):