Python 3.10 Qt 6.6.1 (x86_64-little_endian-lp64 shared (dynamic) debug build; by GCC 11.4.0) [Python 3.10.12] qobjectConnectCallback >QCheckBox(0x55c4fdd80440, "clicked0") cb=2clicked() "cb=PyObject(0x7f27588ebd90, refs=4, "function", 0xa5900 [gc] [ready] [method_descriptor] [vectorcall] [immutabletype], basicsize=128, "()") 0 getReceiver/PyCallable_Check qobjectConnectCallback >QCheckBox(0x55c4fdd803d0, "clicked1") cb=2clicked() "cb=PyObject(0x7f26fcd9a200, refs=4, "function", 0xa5900 [gc] [ready] [method_descriptor] [vectorcall] [immutabletype], basicsize=128, "()") 0 getReceiver/PyCallable_Check qobjectConnectCallback >QCheckBox(0x55c4fdd86de0, "clicked2") cb=2clicked() "cb=PyObject(0x7f26fcd9a290, refs=4, "function", 0xa5900 [gc] [ready] [method_descriptor] [vectorcall] [immutabletype], basicsize=128, "()") 0 getReceiver/PyCallable_Check qobjectConnectCallback >QCheckBox(0x55c4fdd888f0, "stateChanged0") cb=2stateChanged(int) "cb=PyObject(0x7f26fcd9a320, refs=4, "function", 0xa5900 [gc] [ready] [method_descriptor] [vectorcall] [immutabletype], basicsize=128, "()") 0 getReceiver/PyCallable_Check qobjectConnectCallback >QCheckBox(0x55c4fdd8a380, "stateChanged1") cb=2stateChanged(int) "cb=PyObject(0x7f26fcd9a3b0, refs=4, "function", 0xa5900 [gc] [ready] [method_descriptor] [vectorcall] [immutabletype], basicsize=128, "()") 0 getReceiver/PyCallable_Check qobjectConnectCallback >QCheckBox(0x55c4fdd8bdc0, "stateChanged2") cb=2stateChanged(int) "cb=PyObject(0x7f26fcd9a440, refs=4, "function", 0xa5900 [gc] [ready] [method_descriptor] [vectorcall] [immutabletype], basicsize=128, "()") 0 getReceiver/PyCallable_Check