Fix black action arguments + formatting

{{cookiecutter.github_project_name}}/.github/workflows/lint.yml

@@ -14,7 +14,8 @@ jobs:
       - uses: actions/setup-python@v2
       - uses: psf/black@stable
         with:
-          args: ". --check"
+          options: "--check"
+          src: "."
       - name: docstrings
         run: |
           pip install flit

{{cookiecutter.github_project_name}}/docs/conf.py

@@ -12,6 +12,7 @@
 #
 import os
 import sys
+
 sys.path.insert(0, os.path.abspath('../{{ cookiecutter.python_package_name }}'))
 
 
@@ -37,7 +38,7 @@
     "numpydoc",
     'sphinx.ext.autodoc',
     'sphinx.ext.inheritance_diagram',
-    'autoapi.sphinx'
+    'autoapi.sphinx',
 ]
 
 sphinx_gallery_conf = {

{{cookiecutter.github_project_name}}/{{cookiecutter.python_package_name}}/__init__.py

@@ -4,9 +4,8 @@
 # Copyright (c) {{ cookiecutter.author_name }}.
 # Distributed under the terms of the Modified BSD License.
 
-# Must import __version__ first to avoid errors importing this file during the build process. 
+# Must import __version__ first to avoid errors importing this file during the build process.
 # See https://github.com/pypa/setuptools/issues/1724#issuecomment-627241822
 from ._version import __version__
 
 from .example import example_function
-

{{cookiecutter.github_project_name}}/{{cookiecutter.python_package_name}}/example.py

@@ -25,7 +25,7 @@ def example_function(ax, data, above_color="r", below_color="k", **kwargs):
         The color of points with `y>0`
     below_color : color-like, default: 'k'
         The color of points with `y<0`
-    kwargs :
+    **kwargs
         Passed through to `ax.scatter`
 
     Returns