KeyError and TypeError occurred

[haha198566]

win10 64bit OS
I installed py3.7.6 64bit and depends on comtypes and typing, run CMD as administrator,when I run automation.py -h,some error occurred:
C:\python37\Scripts>automation.py -h
UIAutomation 2.0.3 (Python 3.7.6, 64 bit)
please wait for 3 seconds

2020-01-06 16:22:28.715 automation.py[75] main -> Starts, Current Cursor Position: (2168, 403)
Traceback (most recent call last):
File "C:\python37\lib\ctypes_init_.py", line 121, in WINFUNCTYPE
return _win_functype_cache[(restype, argtypes, flags)]
KeyError: (<class 'ctypes.HRESULT'>, (<class 'ctypes.c_long'>, <class 'comtypes.automation.tagVARIANT'>, <class 'comtypes.LP_POINTER(IUIAutomationCondition)'>), 0)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "C:\python37\Scripts\automation.py", line 113, in
main()
File "C:\python37\Scripts\automation.py", line 97, in main
control = auto.GetFocusedControl()
File "C:\python37\lib\site-packages\uiautomation\uiautomation.py", line 7465, in GetFocusedControl
return Control.CreateControlFromElement(_AutomationClient.instance().IUIAutomation.GetFocusedElement())
File "C:\python37\lib\site-packages\uiautomation\uiautomation.py", line 51, in instance
cls._instance = cls()
File "C:\python37\lib\site-packages\uiautomation\uiautomation.py", line 56, in init
self.UIAutomationCore = comtypes.client.GetModule("UIAutomationCore.dll")
File "C:\python37\lib\site-packages\comtypes\client_generate.py", line 110, in GetModule
mod = _CreateWrapper(tlib, pathname)
File "C:\python37\lib\site-packages\comtypes\client_generate.py", line 184, in _CreateWrapper
mod = _my_import(fullname)
File "C:\python37\lib\site-packages\comtypes\client_generate.py", line 24, in my_import
return import(fullname, globals(), locals(), ['DUMMY'])
File "C:\python37\lib\site-packages\comtypes\gen_944DE083_8FB8_45CF_BCB7_C477ACB2F897_0_1_0.py", line 1729, in
( ['out', 'retval'], POINTER(POINTER(IUIAutomationElement)), 'element' )),
File "C:\python37\lib\site-packages\comtypes_init.py", line 329, in setattr
self.make_methods(value)
File "C:\python37\lib\site-packages\comtypes_init.py", line 698, in make_methods
prototype = WINFUNCTYPE(restype, *argtypes)
File "C:\python37\lib\ctypes_init.py", line 123, in WINFUNCTYPE
class WinFunctionType(_CFuncPtr):
TypeError: item 2 in argtypes passes a union by value, which is unsupported.
please help

[pangshu2007]

Me too.

[burque505]

Win7 Pro SP1,64-bit, identical error.

[yinkaisheng]

Do not use 3.7.6 and 3.8.1, install an earlier version or wait for the next version.
enthought/comtypes#202