#2 Crashes on MacOS: NSWindow drag regions should only be invalidated on the Main Thread! This will throw an exception in the future.

[Julian Wittorf]

Hi, first off thanks for the emulator, works nicely on Windows!

However it causes this error on Mac and doesn't launch the emulator.

2020-10-29 12:06:21.722 Python[68652:6183112] WARNING: NSWindow drag regions should only be invalidated on the Main Thread! This will throw an exception in the future. Called from (
    0   AppKit                              0x00007fff2c74e629 -[NSWindow(NSWindow_Theme) _postWindowNeedsToResetDragMarginsUnlessPostingDisabled] + 371
    1   AppKit                              0x00007fff2c736052 -[NSWindow _initContent:styleMask:backing:defer:contentView:] + 1416
    2   AppKit                              0x00007fff2c735ac3 -[NSWindow initWithContentRect:styleMask:backing:defer:] + 42
    3   libtk8.6.dylib                      0x00000001076dca55 TkMacOSXMakeRealWindowExist + 729
    4   libtk8.6.dylib                      0x00000001076dc68a TkWmMapWindow + 56
    5   libtk8.6.dylib                      0x000000010763f788 Tk_MapWindow + 69
    6   libtk8.6.dylib                      0x0000000107648a15 MapFrame + 59
    7   libtcl8.6.dylib                     0x0000000107582570 TclServiceIdle + 87
    8   libtcl8.6.dylib                     0x0000000107565d27 Tcl_DoOneEvent + 349
    9   _tkinter.cpython-39-darwin.so       0x000000010749140e _tkinter_tkapp_mainloop + 382
    10  Python                              0x000000010710811f method_vectorcall_FASTCALL + 335
    11  Python                              0x00000001071d586c call_function + 732
    12  Python                              0x00000001071d2d72 _PyEval_EvalFrameDefault + 25186
    13  Python                              0x00000001071d6563 _PyEval_EvalCode + 2611
    14  Python                              0x00000001070ff9b1 _PyFunction_Vectorcall + 289
    15  Python                              0x0000000107101a6a method_vectorcall + 202
    16  Python                              0x00000001071d586c call_function + 732
    17  Python                              0x00000001071d2d93 _PyEval_EvalFrameDefault + 25219
    18  Python                              0x00000001070ffa28 function_code_fastcall + 104
    19  Python                              0x00000001071d586c call_function + 732
    20  Python                              0x00000001071d2d72 _PyEval_EvalFrameDefault + 25186
    21  Python                              0x00000001070ffa28 function_code_fastcall + 104
    22  Python                              0x00000001071d586c call_function + 732
    23  Python                              0x00000001071d2d72 _PyEval_EvalFrameDefault + 25186
    24  Python                              0x00000001070ffa28 function_code_fastcall + 104
    25  Python                              0x0000000107101ab2 method_vectorcall + 274
    26  Python                              0x000000010727a336 t_bootstrap + 70
    27  Python                              0x000000010722ba39 pythread_wrapper + 25
    28  libsystem_pthread.dylib             0x00007fff6971f109 _pthread_start + 148
    29  libsystem_pthread.dylib             0x00007fff6971ab8b thread_start + 15
)

Do you have an idea on how to fix this?