Test support for Python 3.10 (#14)

* Add support for Python 3.10

* Fix Python 3.10 version number in CI

* Add pip and wheel installation/upgrade in CI

* Drop support for Python 3.6

It otherwise makes Poetry install a previous version of NumPy, which is incompatible with 3.10.

* Fix publish action syntax error

* Update the Poetry version in CI

* Update the Poetry version in CI

.github/workflows/main.yml

@@ -13,16 +13,20 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.6, 3.7, 3.8, 3.9]
+        python-version: [3.7, 3.8, 3.9, '3.10']
     steps:
     - name: Checkout
       uses: actions/checkout@v2
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v2
       with:
         python-version: ${{ matrix.python-version }}
+    - name: Install the latest Pip and Wheel
+      run: pip install --upgrade pip wheel
     - name: Set up Poetry
       uses: abatilo/[email protected]
+      with:
+        poetry-version: 1.1.11  # Previous versions give an error with Python 3.10.
     - name: Check package setup
       run: poetry check
     - name: Install dependencies

.github/workflows/publish.yml

@@ -10,14 +10,15 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v2
       with:
-        python-version: '3.x'
-    - name: Install dependencies
-      run: |
-        python -m pip install --upgrade pip
-        pip install poetry wheel
+        python-version: 3.x
+    - name: Install the latest Pip and Wheel
+      run: pip install --upgrade pip wheel
+    - name: Set up Poetry
+      uses: abatilo/[email protected]
+      with:
+        poetry-version: 1.1.11  # Previous versions give an error with Python 3.10.
     - name: Build and publish
       env:
         POETRY_HTTP_BASIC_PYPI_USERNAME: ${{ secrets.PYPI_USERNAME }}
         POETRY_HTTP_BASIC_PYPI_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
-      run: |
-        poetry publish --build
+      run: poetry publish --build

pyproject.toml

@@ -18,16 +18,16 @@ classifiers = [
     "Operating System :: OS Independent",
     "Programming Language :: Python",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.6",
     "Programming Language :: Python :: 3.7",
     "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
     "Topic :: Scientific/Engineering",
     "Topic :: Scientific/Engineering :: Artificial Intelligence",
 ]
 
 [tool.poetry.dependencies]
-python = "^3.6"
+python = "^3.7"
 numpy = "*"
 
 [tool.poetry.dev-dependencies]