Merge pull request #35 from graingert/test-on-3.12

test on python 3.12

Author: graingert

.github/workflows/ci.yaml

@@ -43,7 +43,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.8', '3.9', '3.10', '3.11']
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
 
     steps:
     - uses: actions/checkout@v3
@@ -54,10 +54,13 @@ jobs:
         python-version: ${{ matrix.python-version }}
         allow-prereleases: true
 
+    - name: Test build
+      run: pipx run --python=python build .
+
     - name: Install dependencies
       run: |
         openssl version
-        python -m pip install --upgrade twisted coverage
+        python -m pip install --upgrade twisted coverage build
 
     - name: Test
       run: |
@@ -161,9 +164,8 @@ jobs:
 
     - name: Build
       run: |
-        python -m pip install --upgrade pip wheel pep517
         rm -rf dist/*
-        python setup.py bdist_wheel sdist
+        pipx run --python=python build .
 
     - name: Files to be pushed to PyPi
       run: ls -R dist/

constantly/__init__.py

@@ -5,9 +5,8 @@
     NamedConstant, Names, ValueConstant, Values, FlagConstant, Flags
 )
 
-from ._version import get_versions
-__version__ = get_versions()['version']
-del get_versions
+from . import _version
+__version__ = _version.get_versions()['version']
 
 __author__  = "Twisted Matrix Laboratories"
 __license__ = "MIT"