check

.github/workflows/tests.yml

@@ -6,6 +6,7 @@ on:
       - master
       - 'test*'
       - 'alltest*'
+      - 'action*'
     tags:
       - '*'
   pull_request:
@@ -45,13 +46,16 @@ jobs:
     - name: Set up Miniconda
       if: matrix.pydist == 'ANACONDA'
       uses: conda-incubator/setup-miniconda@v3
+      with:
+        auto-activate-base: true
+        packages: |
+          scipy matplotlib cython PyYAML dill coverage pytest pandas mpi4py openmpi
 
     - name: Install mpi
+      if: matrix.pydist != 'ANACONDA'
       uses: mpi4py/setup-mpi@v1
-
-    - name: Install mpi4py
-      run: |
-        pip install mpi4py -i https://pypi.anaconda.org/mpi4py/simple
+      with:
+        mpi: openmpi
 
     - name: Cache dependencies
       uses: actions/cache@v2
@@ -67,12 +71,12 @@ jobs:
     - name: Install dependencies (pip)
       if: matrix.pydist != 'ANACONDA'
       run: |
+        pip install mpi4py -i https://pypi.anaconda.org/mpi4py/simple
         pip install -r requirements.txt pytest-xdist pytest-cov flaky matplotlib dill coverage flake8 iminuit numba
 
     - name: Install dependencies (Anaconda)
       if: matrix.pydist == 'ANACONDA'
       run: |
-        conda install scipy matplotlib cython PyYAML dill coverage pytest pandas
         conda install -c conda-forge iminuit
         pip install -r requirements.txt flake8 flaky pytest-xdist pytest-cov camb