fix: vtk/pyvista issues

Author: RobPasMue

.github/workflows/ci_cd.yml

@@ -9,7 +9,7 @@ on:
       - main
 
 env:
-  MAIN_PYTHON_VERSION: '3.13'
+  MAIN_PYTHON_VERSION: '3.12'
   PACKAGE_NAME: 'ansys-geometry-core'
   DOCUMENTATION_CNAME: 'geometry.docs.pyansys.com'
   ANSRV_GEO_IMAGE: 'ghcr.io/ansys/geometry'

.github/workflows/nightly_docker_test.yml

@@ -21,7 +21,7 @@ on:
       - v*
 
 env:
-  MAIN_PYTHON_VERSION: '3.13'
+  MAIN_PYTHON_VERSION: '3.12'
   ANSRV_GEO_IMAGE_WINDOWS_TAG: ghcr.io/ansys/geometry:windows-latest-unstable
   ANSRV_GEO_IMAGE_WINDOWS_CORE_TAG: ghcr.io/ansys/geometry:core-windows-latest-unstable
   ANSRV_GEO_IMAGE_LINUX_CORE_TAG: ghcr.io/ansys/geometry:core-linux-latest-unstable

pyproject.toml

@@ -67,7 +67,7 @@ tests = [
     "scipy==1.14.1",
     "semver==3.0.2",
     "six==1.17.0",
-    "vtk==9.4.0",
+    "vtk==9.3.1",
 ]
 tests-minimal = [
     "pytest==8.3.4",
@@ -105,7 +105,7 @@ doc = [
     "sphinx-copybutton==0.5.2",
     "sphinx-jinja==2.0.2",
     "trame-vtk==2.8.12",
-    "vtk==9.4.0",
+    "vtk==9.3.1",
 ]
 
 [project.urls]