State file not found, a new one will be created.

[HugoDepping]

Description of Issue

TypeError when trying to open a usda file with usdview. anyone with similair issue? i would like to follow the pixar usd tutorials

Steps to Reproduce

1. Download https://github.com/PixarAnimationStudios/USD/blob/release/VERSIONS.md
2. in x64 Native Tools Command Prompt for VS 2019 type: python "your/path/to/"Build_usd.py "C:\USD"
3. Result build works
4. in x64 Native Tools Command Prompt for VS 2019 type: usdview "your/path/to/"HelloWorld.usda

ERROR

C:\Projects\USD-release\USD-release\extras\usd\tutorials\helloWorld>usdview HelloWorld.usda
State file not found, a new one will be created.
Traceback (most recent call last):
File "C:\USD\bin\usdview", line 35, in
Usdviewq.Launcher().Run()
File "C:\USD\lib\python\pxr\Usdviewq_init_.py", line 86, in Run
self._LaunchProcess(arg_parse_result)
File "C:\USD\lib\python\pxr\Usdviewq_init.py", line 396, in _LaunchProcess
(app, appController) = self.LaunchPreamble(arg_parse_result)
File "C:\USD\lib\python\pxr\Usdviewq_init.py", line 386, in LaunchPreamble
appController = AppController(arg_parse_result, contextCreator)
File "C:\USD\lib\python\pxr\Usdviewq\appController.py", line 410, in init
self._dataModel = UsdviewDataModel(self._makeTimer, self._configManager.settings)
File "C:\USD\lib\python\pxr\Usdviewq\appController.py", line 128, in init
self._viewSettingsDataModel = ViewSettingsDataModel(self, settings)
File "C:\USD\lib\python\pxr\Usdviewq\viewSettingsDataModel.py", line 136, in init
QtCore.QObject.init(self)
TypeError: init() missing 2 required positional arguments: 'parent' and 'name'

[TanJeremy]

Hi, I had this issue monday,
to complement your submit, I made the build with python 3.10.6, i don't know about you, but as i'm not sure python 3.10 is supported, i didn't adress this issue.
If you want i found a workaroud:
in C:\USD\lib\python\pxr\Usdviewq\viewSettingsDataModel.py", line 136
you can inverse the inheritance order and invert the init order:

class ViewSettingsDataModel(StateSource, QtCore.QObject):

...


    def __init__(self, rootDataModel, parent):
        StateSource.__init__(self, parent, "model")
        QtCore.QObject.__init__(self)

it appear that QtCore.QObject.__init__() initiate StateSource.__init__() without argument

[HugoDepping]

Thanks @TanJeremy this works! I used python 3.8.10

[sunyab]

Hi all, just wanted to note that this is a known issue related to a change in behavior in PySide 6.5.0. A PR with a fix for this issue (which is the same fix as @TanJeremy posted) is here: #2392

An alternate workaround is to use an older version of PySide.

[tallytalwar]

Filed as internal issue #USD-8272

[beersandrew]

Thanks all for logging and posting about workarounds. Really appreciate it

[FlorianZ]

Closing this given that it's a known issue and we have a PR that promises to fix this.