conda-forge VTK fails with libpng error
I am seeing the following error when running the attached script: cube.py. I also attached my conda environment.environment.txt
Error
$ ./cube.py
libpng warning: Application built with libpng-1.4.12 but running with 1.6.37
ERROR: In ../IO/Image/vtkPNGWriter.cxx, line 232
vtkPNGWriter (0x7fe05ce0bb30): Unable to write PNG file!
OS/Conda
I am using macOS Catalina, 10.15.3.
$ conda --version
conda 4.8.3
Steps to Reproduce
$ conda create -n vtk --no-default-packages --override-channels --channel conda-forge vtk
$ conda activate vtk
$ ./cube.py
libpng warning: Application built with libpng-1.4.12 but running with 1.6.37
ERROR: In ../IO/Image/vtkPNGWriter.cxx, line 232
vtkPNGWriter (0x7fe05ce0bb30): Unable to write PNG file!