ci: ensure black is working (#7)

* ensure black works in ci

* refmt noxfile with black

.github/workflows/tests.yml

@@ -89,7 +89,7 @@ jobs:
           nox --verbose --python=${{ matrix.python }} -- --cov=. --cov-report=term-missing --cov-fail-under=93
 
       - name: Run tests with nox
-        if: matrix.session == 'tests'
+        if: matrix.session == 'tests' || matrix.session == 'lint'
         shell: bash -el {0}
         run: |
           nox --verbose --python=${{ matrix.python }}

noxfile.py

@@ -25,7 +25,6 @@
 ]
 
 
-
 @session(python=locked_python_version)
 def docs(session: Session) -> None:
     """Build the documentation."""
@@ -78,9 +77,7 @@ def tests(session: Session) -> None:
             channel="conda-forge",
         )
         install_handle_python(session)
-        session.run(
-           "python", "-m", "pytest", *cov_cli_args, *session.posargs
-        )
+        session.run("python", "-m", "pytest", *cov_cli_args, *session.posargs)
 
 else:
 
@@ -89,6 +86,4 @@ def tests(session: Session) -> None:
         """Run the test suite."""
         session.install("pytest", "pytest-cov")
         install_handle_python_numpy(session)
-        session.run(
-            "python", "-m", "pytest", *cov_cli_args, *session.posargs
-        )
+        session.run("python", "-m", "pytest", *cov_cli_args, *session.posargs)