fix: github workflow testing

.github/workflows/build.yaml

@@ -22,7 +22,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest]
-        python-version: ['3.7', '3.8', '3.9', '3.10']
+        python-version: ['3.9', '3.10']
     steps:
       - name: Checkout sources
         uses: actions/checkout@v2

tox.ini

@@ -1,20 +1,30 @@
 [tox]
-minversion = 3.8.0
-envlist = py36, py37, py38, py39
-isolated_build = true
+isolated_build = True
+envlist = 
+    python3.9,
+    python3.10,
+
+[testenv]
+deps =
+    numpy
+    scipy
+    gmsh
+    pytest
+commands =
+    pytest .
 
 [gh-actions]
 python =
-    3.6: py36
-    3.7: py37
-    3.8: py38
     3.9: py39
+    3.10: py310
 
-[testenv]
-setenv = 
-    PYTHONPATH = {toxinidir}
-deps = 
-    -r{toxinidir}/requirements_dev.txt
+[testenv:format]
+deps =
+    numpy
+    scipy
+    gmsh
+    black
+    isort
 commands =
-    pytest --basetemp={envtmpdir}
-
+    isort --check src/hyper
+    black --check src/hyper