Don't handle mouse input in urwid for now.

Trundle · Trundle · commit bb2190c1caeb · 2010-09-17T13:34:06.000+02:00
Otherwise, you can't select things in your terminal, which is rather
annoying.
diff --git a/bpython/urwid.py b/bpython/urwid.py
@@ -445,7 +445,7 @@ def __init__(self, event_loop, palette, interpreter, config):
         self.main_loop = urwid.MainLoop(
             self.frame, palette,
             event_loop=event_loop, unhandled_input=self.handle_input,
-            input_filter=input_filter)
+            input_filter=input_filter, handle_mouse=False)
 
         self.edits = []
         self.edit = None
