use python3.10 conveniences

.github/workflows/coverage.yml

@@ -13,7 +13,7 @@ jobs:
     - uses: actions/checkout@v2
     - uses: actions/setup-python@v1
       with:
-        python-version: "3.9"
+        python-version: "3.10"
         architecture: x64
     - name: Setup Graphviz
       uses: ts-graphviz/setup-graphviz@v1

.github/workflows/release.yml

@@ -9,7 +9,7 @@ jobs:
     - uses: actions/checkout@v2
     - uses: actions/setup-python@v1
       with:
-        python-version: "3.9"
+        python-version: "3.10"
         architecture: x64
     - name: Setup Graphviz
       uses: ts-graphviz/setup-graphviz@v1

.github/workflows/tests.yml

@@ -10,7 +10,6 @@ jobs:
         - ubuntu-latest
         - windows-latest
         python:
-        - "3.9"
         - "3.10"
         - "3.11"
     steps:

.readthedocs.yml

@@ -3,7 +3,7 @@ sphinx:
   configuration: docs/conf.py
 formats: all
 python:
-  version: 3.8
+  version: 3.10
   install:
   - requirements: docs/requirements.txt
   - path: .

noxfile.py

@@ -42,30 +42,32 @@ def install_with_constraints(session, *args, **kwargs):
 @nox.session()
 def black(session):
     """Run black code formatter."""
+    session.run("poetry", "install", external=True)
     args = session.posargs or SOURCES
-    session.run("isort", *args)
-    session.run("black", *args)
+    session.run("isort", *args, external=True)
+    session.run("black", *args, external=True)
 
 
 @nox.session()
 def lint(session):
     """Lint using flake8."""
     args = session.posargs or SOURCES
     session.run("poetry", "install", external=True)
-    session.run("poetry", "run", "flake8", *args, external=True)
+    session.run("flake8", *args, external=True)
 
 
 @nox.session()
 def tests(session):
     """Run the test suite."""
     args = session.posargs or ["--cov"]
     session.run("poetry", "install", external=True)
-    session.run("poetry", "run", "pytest", *args, external=True)
+    session.run("pytest", *args, external=True)
 
 
 @nox.session()
 def coverage(session):
     """Upload coverage data."""
+    session.run("poetry", "install", external=True)
     session.run("coverage", "xml", "--fail-under=0")
     session.run("codecov", *session.posargs)