PropertyPythonObject::toString(): failed for <class 'SheetMetalCmd.SMViewProviderFlat'>

[akrpic77]

Hey,

I am getting some errors while trying to save project:

20:32:40  Traceback (most recent call last):
  File "/usr/lib/python3.11/json/__init__.py", line 231, in dumps
    return _default_encoder.encode(obj)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/json/encoder.py", line 200, in encode
    chunks = self.iterencode(o, _one_shot=True)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/json/encoder.py", line 258, in iterencode
    return _iterencode(o, 0)
           ^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/json/encoder.py", line 180, in default
    raise TypeError(f'Object of type {o.__class__.__name__} '
<class 'TypeError'>: Object of type FeaturePython is not JSON serializable
20:32:40  PropertyPythonObject::toString(): failed for <class 'SheetMetalCmd.SMViewProviderFlat'>
20:32:40  Traceback (most recent call last):
  File "/usr/lib/python3.11/json/__init__.py", line 231, in dumps
    return _default_encoder.encode(obj)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/json/encoder.py", line 200, in encode
    chunks = self.iterencode(o, _one_shot=True)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/json/encoder.py", line 258, in iterencode
    return _iterencode(o, 0)
           ^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/json/encoder.py", line 180, in default
    raise TypeError(f'Object of type {o.__class__.__name__} '
<class 'TypeError'>: Object of type FeaturePython is not JSON serializable
20:32:40  PropertyPythonObject::toString(): failed for <class 'SheetMetalCmd.SMViewProviderFlat'>
20:32:40  Traceback (most recent call last):
  File "/usr/lib/python3.11/json/__init__.py", line 231, in dumps
    return _default_encoder.encode(obj)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/json/encoder.py", line 200, in encode
    chunks = self.iterencode(o, _one_shot=True)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/json/encoder.py", line 258, in iterencode
    return _iterencode(o, 0)
           ^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/json/encoder.py", line 180, in default
    raise TypeError(f'Object of type {o.__class__.__name__} '
<class 'TypeError'>: Object of type FeaturePython is not JSON serializable

Using:

OS: Debian GNU/Linux trixie/sid (KDE/lightdm-xsession)
Word size of FreeCAD: 64-bit
Version: 0.21.2.
Build type: Release
Python 3.11.7, Qt 5.15.10, Coin 4.0.2, Vtk 9.1.0, OCC 7.6.3
Locale: English/United States (en_US)
Installed mods: 
  * sheetmetal 0.3.15
  * fasteners 0.5.0
  * ExplodedAssembly
  * parts_library
  * Manipulator 1.5.6
  * kicadStepUpMod 10.22.8
  * ModernUI 0.5.0

I am not sure if this is related to SheetMetal workbench, but it fails for a class SheetMetalCmd.SMViewProviderFlat.

[akrpic77]

I see there's already pull request for this #293

[shaise]

yes, please try again now.

[akrpic77]

yes, now there is no error. Thank you.