Made it compatible with gevent 1.0dev version.

src/bitmessageqt/__init__.py

@@ -2875,14 +2875,16 @@ class myTableWidgetItem(QTableWidgetItem):
     def __lt__(self, other):
         return int(self.data(33).toPyObject()) < int(other.data(33).toPyObject())
 
-
-class UISignaler(QThread):
+from threading import Thread
+class UISignaler(Thread,QThread):
 
     def __init__(self, parent=None):
+        Thread.__init__(self, parent)
         QThread.__init__(self, parent)
 
     def run(self):
         while True:
+            try:
                 command, data = shared.UISignalQueue.get()
                 if command == 'writeNewAddressToTable':
                     label, address, streamNumber = data
@@ -2927,6 +2929,14 @@ class UISignaler(QThread):
                 else:
                     sys.stderr.write(
                         'Command sent to UISignaler not recognized: %s\n' % command)
+            except Exception,ex:
+                # uncaught exception will block gevent
+                import traceback
+                traceback.print_exc()
+                traceback.print_stack()
+                print ex
+                pass
+
 try:
     import gevent
 except ImportError as ex: