Fix GitHub action failure bug (#107)

Remove numba caching, add pytest-rerunfailures for mitigiating flaky tests

Author: fankiat

.github/workflows/main.yml

@@ -28,7 +28,7 @@ jobs:
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Setup MPI
         uses: mpi4py/setup-mpi@v1
         with:

Makefile

@@ -84,7 +84,7 @@ formatting: format-codestyle
 
 .PHONY: test
 test:
-	poetry run mpiexec -n 4 pytest --with-mpi
+	poetry run mpiexec -n 4 pytest --cache-clear --reruns 2 --with-mpi
 
 .PHONY: update-dev-deps
 update-dev-deps:

poetry.lock

@@ -30,12 +30,12 @@ pre-commit = "^2.19.0"
 autoflake8 = "^0.4"
 pytest = "^7.1"
 pytest-mpi = "^0.6"
+pytest-rerunfailures = "^10.3"
 
 [tool.black]
 # https://github.com/psf/black
 target-version = ["py38"]
 line-length = 88
-color = true
 
 exclude = '''
 /(