use miniforge

Author: i-am-sijia

.github/workflows/ci.yml

@@ -36,13 +36,14 @@ jobs:
           path: 'activitysim'
           fetch-depth: 0  # get all tags, lets setuptools_scm do its thing
 
-      - name: Setup Mambaforge
+      - name: Setup Miniforge
         uses: conda-incubator/setup-miniconda@v3
         with:
-            miniforge-variant: Mambaforge
+            auto-update-conda: true
             miniforge-version: latest
+            conda-solver: classic
+            conda-remove-defaults: true
             activate-environment: asim-test
-            use-mamba: true
             python-version: ${{ matrix.python-version }}
 
       - name: Set cache date for year and month
@@ -56,7 +57,7 @@ jobs:
 
       - name: Update environment
         run: |
-          mamba env update -n asim-test -f activitysim/conda-environments/github-actions-tests.yml
+          conda env update -n asim-test -f activitysim/conda-environments/github-actions-tests.yml
         if: steps.cache.outputs.cache-hit != 'true'
 
       - name: Install activitysim
@@ -67,8 +68,8 @@ jobs:
           python -m pip install ./activitysim --no-deps
       - name: Conda checkup
         run: |
-          mamba info -a
-          mamba list
+          conda info -a
+          conda list
       - name: Test this implementation
         run: |
           cd activitysim-sandag-abm3/test