Fix crash when --daemon is given (Python 3).

scripts/supybot

@@ -44,6 +44,7 @@ import shutil
 import signal
 if sys.version_info[0] < 3:
     import cStringIO as StringIO
+    StringIO = StringIO.StringIO
 else:
     from io import StringIO
 
@@ -273,8 +274,8 @@ if __name__ == '__main__':
         # level WARNING on upkeep.
         sys.stdout.close()
         sys.stderr.close()
-        sys.stdout = StringIO.StringIO()
-        sys.stderr = StringIO.StringIO()
+        sys.stdout = StringIO()
+        sys.stderr = StringIO()
         # We have to be really methodical here.
         os.close(0)
         os.close(1)

src/world.py

@@ -149,6 +149,8 @@ def upkeep():
         except IOError: # Win98 sux0rs!
             pass
     if conf.daemonized:
+        if sys.version_info[0] >= 3:
+            from io import TextIOWrapper as file
         # If we're daemonized, sys.stdout has been replaced with a StringIO
         # object, so let's see if anything's been printed, and if so, let's
         # log.warning it (things shouldn't be printed, and we're more likely