Flush error response before raise server error

portal/__init__.py

@@ -1,4 +1,4 @@
-__version__ = '3.2.0'
+__version__ = '3.2.1'
 
 import multiprocessing as mp
 try:

portal/server.py

@@ -148,4 +148,7 @@ def _error(self, addr, reqnum, status, message):
     data = message.encode('utf-8')
     self.socket.send(addr, reqnum, status, data)
     if self.errors:
+      # Wait until the error is delivered to the client and then raise.
+      self.socket.shutdown()
+      self.socket.close()
       raise RuntimeError(message)

portal/thread.py

@@ -21,7 +21,6 @@ class Thread:
   """
 
   def __init__(self, fn, *args, name=None, start=False):
-    global TIDS
     self.fn = fn
     self.excode = None
     name = name or getattr(fn, '__name__', 'thread')