Adding Mac ARM github hosted runner

Author: zivy

.github/workflows/main.yml

@@ -33,8 +33,8 @@ jobs:
   test:
     needs: lint
     strategy:
-      matrix: #using macos-13 because pyenchant doesn't work on macos-latest (macos 14, arm64 architecture)
-        os: [macos-13, windows-latest, ubuntu-latest]
+      matrix: #using macos-13, last available intel architecture. macos-latest is arm64 architecture.
+        os: [macos-13, windows-latest, ubuntu-latest, macos-latest]
         python-version: ['3.9', '3.12']
     runs-on: ${{ matrix.os }}
     steps:
@@ -81,7 +81,10 @@ jobs:
       if: steps.nbl.outputs.any_changed == 'true'
       env:
         SIMPLE_ITK_MEMORY_CONSTRAINED_ENVIRONMENT: 1
-      run: |
+      run: | # pyenchant has a problem locating libenchant on macOS-ARM64. setting this environment variable resolves the issue
+        if [ "$RUNNER_OS" == "macOS" ] && [ "${{ matrix.os }}" != "macos-13" ]; then
+           export PYENCHANT_LIBRARY_PATH=/opt/homebrew/lib/libenchant-2.dylib
+        fi
         test_files="${{ steps.nbl.outputs.all_changed_files }}"
         # on windows the paths use backslashes, so replace with forward slashes
         if [ "$RUNNER_OS" == "Windows" ]; then

.github/workflows/scheduled_or_manual.yml

@@ -34,8 +34,8 @@ jobs:
   test:
     needs: lint
     strategy:
-      matrix: #using macos-13 because pyenchant doesn't work on macos-latest (macos 14, arm64 architecture)
-        os: [macos-13, windows-latest]
+      matrix: #using macos-13, last available intel architecture. macos-latest is arm64 architecture.
+        os: [macos-13, windows-latest, macos-latest]
         python-version: ['3.9', '3.12']
         inputs: ["00_ or 01_ or 02_ or 03_ or 04_ or 05_ or 10_ or 20_ or 21_ or 22_ or 300_ or 30_ or 31_ or 32_ or 33_ or 34_ or 35_ or 36_", "51_ or 55_ or 56_ or 60_ or 61_ or 62_ or 63_ or 64_", "65_ or 66_ or 67_ or 68_ or 69_ or 70_ or 71_"]
     runs-on: ${{ matrix.os }}
@@ -77,6 +77,9 @@ jobs:
     - name: run the test
       env: 
         SIMPLE_ITK_MEMORY_CONSTRAINED_ENVIRONMENT: 1
-      run: |
+      run: | # pyenchant has a problem locating libenchant on macOS-ARM64. setting this environment variable resolves the issue
+        if [ "$RUNNER_OS" == "macOS" ] && [ "${{ matrix.os }}" != "macos-13" ]; then
+           export PYENCHANT_LIBRARY_PATH=/opt/homebrew/lib/libenchant-2.dylib
+        fi
         pytest -v --tb=short -k "${{matrix.inputs}}" tests/test_notebooks.py::Test_notebooks::test_python_notebook
         pytest -v --tb=short tests/test_scripts.py

Python/00_Setup.ipynb

@@ -8,7 +8,7 @@
     "\n",
     "\n",
     "## Newcomers to Jupyter Notebooks:\n",
-    "1. We use two types of cells, code and markdown.\n",
+    "1.  We use two types of cells, code and markdown.\n",
     "2. To run a code cell, select it (mouse or arrow key so that it is highlighted) and then press shift+enter which also moves focus to the next cell or ctrl+enter which doesn't.\n",
     "3. Closing the browser window does not close the Jupyter server. To close the server, go to the terminal where you ran it and press ctrl+c twice.\n",
     "\n",