- base & view model for imread

- transforms bugfix
- implement (nan)var and (nan)std
- add tests

.github/workflows/pytest.yml

@@ -0,0 +1,22 @@
+name: PyTest
+
+on: [workflow_call, push, pull_request]
+
+jobs:
+  pytest:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.8", "3.9", "3.10", "3.11"]
+
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install dependencies
+        run: |
+          pip install pytest
+      - name: Test with pytest
+        run: pytest