Don't pass \x00 to winstr.

sebastinas · sebastinas · commit d69d127b773e · 2013-01-27T16:15:02.000+01:00
Due to the hack in idle that we've added in idle to support the curses shipped
with Python 3.3, we need to drop \x00s. winstr doesn't like them but we ungetch
them in idle.
diff --git a/bpython/cli.py b/bpython/cli.py
@@ -1616,7 +1616,7 @@ def bs(s):
                 curses.flushinp()
                 raise ValueError
             # literal
-            elif 0 <= c < 127:
+            elif 0 < c < 127:
                 c = chr(c)
                 self.win.addstr(c, get_colpair(self.config, 'prompt'))
                 o += c
