TypeError: unhashable type: 'UnstructuredGrid'

[p-smith22]

Hello. I am running MacOS on a Silicon. I quick installed using Anaconda, and when I do sharpy --version, I get a positive return. However, when I run the unittest, I get an error similar to the one below. Also, when I try to run a sharpy file, it successfully makes it through the trim step, but promptly fails and outputs a similar error message when it reaches the actual simulation step. I have also tried custom installing and similarly get a successful install, but the unittest fails in the same manner.
Thank you in advance for your help!

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ERROR: test_generatecases (tests.utils.test_generate_cases.TestGenerateCases)

Traceback (most recent call last):
File "/Users/administrator/Desktop/Python/SHARPy_v2/sharpy/tests/utils/test_generate_cases.py", line 191, in test_generatecases
sharpy.sharpy_main.main(['', solver_path])
File "/Users/administrator/Desktop/Python/SHARPy_v2/sharpy/sharpy/sharpy_main.py", line 167, in main
raise e
File "/Users/administrator/Desktop/Python/SHARPy_v2/sharpy/sharpy/sharpy_main.py", line 142, in main
data = solvers[solver_name].run(solvers=solvers)
File "/Users/administrator/Desktop/Python/SHARPy_v2/sharpy/sharpy/solvers/dynamiccoupled.py", line 474, in run
self.time_loop(solvers=solvers)
File "/Users/administrator/Desktop/Python/SHARPy_v2/sharpy/sharpy/solvers/dynamiccoupled.py", line 722, in time_loop
self.data = self.postprocessors[postproc].run(online=True, solvers=solvers)
File "/Users/administrator/Desktop/Python/SHARPy_v2/sharpy/sharpy/postproc/beamplot.py", line 90, in run
self.plot(online)
File "/Users/administrator/Desktop/Python/SHARPy_v2/sharpy/sharpy/postproc/beamplot.py", line 116, in plot
self.write_beam(it)
File "/Users/administrator/Desktop/Python/SHARPy_v2/sharpy/sharpy/postproc/beamplot.py", line 257, in write_beam
ug = tvtk.UnstructuredGrid(points=coords)
File "tvtk_classes/unstructured_grid.py", line 51, in init
tvtk_base.TVTKBase.init(self, vtk.vtkUnstructuredGrid, obj, update, **traits)
File "/Users/administrator/Desktop/Python/SHARPy_v2/.venv/lib/python3.10/site-packages/tvtk/tvtk_base.py", line 435, in init
self.setup_observers()
File "/Users/administrator/Desktop/Python/SHARPy_v2/.venv/lib/python3.10/site-packages/tvtk/tvtk_base.py", line 536, in setup_observers
_object_cache.setup_observers(self._vtk_obj,
File "/Users/administrator/Desktop/Python/SHARPy_v2/.venv/lib/python3.10/site-packages/tvtk/tvtk_base.py", line 93, in setup_observers
messenger.connect(vtk_obj, event, method)
File "/Users/administrator/Desktop/Python/SHARPy_v2/.venv/lib/python3.10/site-packages/tvtk/messenger.py", line 302, in connect
_messenger.connect(obj, event, callback)
File "/Users/administrator/Desktop/Python/SHARPy_v2/.venv/lib/python3.10/site-packages/tvtk/messenger.py", line 148, in connect
key = hash(obj)
TypeError: unhashable type: 'UnstructuredGrid'

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[ben-l-p]

Thanks for reporting this issue. I also encountered a similar issue, and this is due to the TVTK package. Installing the version pip install https://github.com/enthought/mayavi/zipball/master seemed to fix this for me. Hopefully the TVTK team will fix this issue soon, otherwise I will change the install requirements.