problem on MacOS 10.14, Python 3.9

[ifuchs]

Here is the traceback:

`>>> import easygui

easygui.fileopenbox()
2022-10-16 14:23:08.435 Python[2353:31377] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: 'File types array cannot be empty'
*** First throw call stack:
(
0 CoreFoundation 0x00007fff4a39e035 __exceptionPreprocess + 256
1 libobjc.A.dylib 0x00007fff74c06a17 objc_exception_throw + 48
2 CoreFoundation 0x00007fff4a39de67 +[NSException raise:format:] + 201
3 AppKit 0x00007fff48033744 -[NSSavePanel setAllowedFileTypes:] + 154
4 libtk8.6.dylib 0x0000000106fc54d5 Tk_GetOpenFileObjCmd + 1725
5 libtcl8.6.dylib 0x0000000106dcd78d TclNRRunCallbacks + 79
6 _tkinter.cpython-39-darwin.so 0x0000000106dab930 Tkapp_Call + 480
7 Python 0x0000000106431d31 cfunction_call + 90
8 Python 0x00000001063e7aca _PyObject_Call + 121
9 Python 0x00000001064e12a8 _PyEval_EvalFrameDefault + 44777
10 Python 0x00000001064d5286 _PyEval_EvalCode + 407
11 Python 0x00000001063e7d2c _PyFunction_Vectorcall + 380
12 Python 0x00000001064e3755 call_function + 164
13 Python 0x00000001064e1019 _PyEval_EvalFrameDefault + 44122
14 Python 0x00000001064d5286 _PyEval_EvalCode + 407
15 Python 0x00000001063e7d2c _PyFunction_Vectorcall + 380
16 Python 0x00000001064e3755 call_function + 164
17 Python 0x00000001064e1168 _PyEval_EvalFrameDefault + 44457
18 Python 0x00000001063e7da7 _PyFunction_Vectorcall + 503
19 Python 0x00000001064e3755 call_function + 164
20 Python 0x00000001064e0fd4 _PyEval_EvalFrameDefault + 44053
21 Python 0x00000001064d5286 _PyEval_EvalCode + 407
22 Python 0x0000000106538788 run_eval_code_obj + 128
23 Python 0x00000001065386d6 run_mod + 96
24 Python 0x00000001065390c9 PyRun_InteractiveOneObjectEx + 1245
25 Python 0x00000001065355df PyRun_InteractiveLoopFlags + 280
26 Python 0x0000000106535494 PyRun_AnyFileExFlags + 60
27 Python 0x0000000106554a6a pymain_run_stdin + 141
28 Python 0x0000000106553eeb Py_RunMain + 585
29 Python 0x0000000106555134 pymain_main + 35
30 Python 0x00000001065553b6 Py_BytesMain + 42
31 libdyld.dylib 0x00007fff763d63d5 start + 1
32 ??? 0x0000000000000001 0x0 + 1
)
libc++abi.dylib: terminating with uncaught exception of type NSException
Abort trap: 6`