update

Author: jswhit

.github/workflows/build-wheels.yml

@@ -35,12 +35,12 @@ jobs:
             MB_ML_VER: 1
           - os: macos-latest  
             MB_ML_VER: 2010
-          - MB_ML_VER: 1
-            python-version: "3.7"
-          - MB_ML_VER: 1
-            python-version: "3.8"
-          - MB_ML_VER: 1
-            python-version: "3.9"
+          - python-version: "3.7"
+            MB_ML_VER: 1
+          - python-version: "3.8"
+            MB_ML_VER: 1
+          - python-version: "3.9"
+            MB_ML_VER: 1
     env:
       REPO_DIR: netcdf4-python
       PKG_NAME: netcdf4-python