I think the user interface shouldn't be freezed when using concurrent.futures.ThreadPoolExecutor here,as it executes asynchronously , but it doesn't meet my expectations,anyone can explain why ? any other solutions here to not let user interface freezed?
code is here http://stackoverflow.com/questions/27393533/user-interface-freezed-when-using-concurrent-futures-threadpoolexecutor -- https://mail.python.org/mailman/listinfo/python-list
