[FFI] Add new containers and Implementations

.github/workflows/os_x_staticbuild.yml

@@ -42,7 +42,14 @@ jobs:
         run: |
           python -m pip install --user -e python
 
+      - name: Build with Cython
+        run: |
+          cd python
+          python setup.py build_ext --inplace --with-cython
+
       - name: Test project
+        env:
+          MXNET_ENFORCE_CYTHON: 1
         run: |
           python3 -m pytest -n 4 --durations=50 --verbose tests/python/unittest/ -k 'not test_operator and not (test_subgraph or test_custom_op or test_external_op or test_recordimage_dataset_with_data_loader_multiworker or test_multi_worker or test_multi_worker_shape or test_multi_worker_forked_data_loader or test_multi_worker_dataloader_release_pool)' -m 'not serial'
           MXNET_ENGINE_TYPE=NaiveEngine python3 -m pytest -n 4 --durations=50 --verbose tests/python/unittest/ -k 'test_operator and not (test_subgraph or test_custom_op or test_external_op or test_recordimage_dataset_with_data_loader_multiworker or test_multi_worker or test_multi_worker_shape or test_multi_worker_forked_data_loader or test_multi_worker_dataloader_release_pool)' -m 'not serial'