Applying black formatting

- Fixing flake8 configuration to agree with black
- Adding black validation check to github actions

docs/conf.py

@@ -1,6 +1,6 @@
-'''
+"""
 Docs configuration
-'''
+"""
 # -*- coding: utf-8 -*-
 #
 # capnp documentation build configuration file, created by
@@ -15,6 +15,7 @@ Docs configuration
 # serve to show the default.
 
 import string
+
 # import sys, os
 import capnp
 
@@ -31,27 +32,27 @@ import capnp
 # Add any Sphinx extension module names here, as strings. They can be extensions
 # coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
 extensions = [
-    'sphinx.ext.autodoc',
-    'sphinx.ext.viewcode',
-    'sphinx.ext.intersphinx',
-    'sphinx_multiversion',
+    "sphinx.ext.autodoc",
+    "sphinx.ext.viewcode",
+    "sphinx.ext.intersphinx",
+    "sphinx_multiversion",
 ]
 
 # Add any paths that contain templates here, relative to this directory.
-templates_path = ['_templates']
+templates_path = ["_templates"]
 
 # The suffix of source filenames.
-source_suffix = '.rst'
+source_suffix = ".rst"
 
 # The encoding of source files.
 # source_encoding = 'utf-8-sig'
 
 # The master toctree document.
-master_doc = 'index'
+master_doc = "index"
 
 # General information about the project.
-project = u'capnp'
-copyright = u'2013-2019 (Jason Paryani), 2019-2020 (Jacob Alexander)'
+project = u"capnp"
+copyright = u"2013-2019 (Jason Paryani), 2019-2020 (Jacob Alexander)"
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the
@@ -77,7 +78,7 @@ release = vs
 
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.
-exclude_patterns = ['_build']
+exclude_patterns = ["_build"]
 
 # The reST default role (used for this markup: `text`) to use for all documents.
 # default_role = None
@@ -94,7 +95,7 @@ exclude_patterns = ['_build']
 # show_authors = False
 
 # The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'sphinx'
+pygments_style = "sphinx"
 
 # A list of ignored prefixes for module index sorting.
 # modindex_common_prefix = []
@@ -104,7 +105,7 @@ pygments_style = 'sphinx'
 
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
-html_theme = 'nature'
+html_theme = "nature"
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the
@@ -144,7 +145,15 @@ html_theme = 'nature'
 # html_use_smartypants = True
 
 # Custom sidebar templates, maps document names to template names.
-html_sidebars = {'**': ['globaltoc.html', 'relations.html', 'sourcelink.html', 'searchbox.html', 'versioning.html']}
+html_sidebars = {
+    "**": [
+        "globaltoc.html",
+        "relations.html",
+        "sourcelink.html",
+        "searchbox.html",
+        "versioning.html",
+    ]
+}
 
 # Additional templates that should be rendered to pages, maps page names to
 # template names.
@@ -177,7 +186,7 @@ html_sidebars = {'**': ['globaltoc.html', 'relations.html', 'sourcelink.html', '
 # html_file_suffix = None
 
 # Output file base name for HTML help builder.
-htmlhelp_basename = 'capnpdoc'
+htmlhelp_basename = "capnpdoc"
 
 
 # -- Options for LaTeX output --------------------------------------------------
@@ -190,14 +199,12 @@ htmlhelp_basename = 'capnpdoc'
 
 # Additional stuff for the LaTeX preamble.
 # 'preamble': '',
-latex_elements = {
-}
+latex_elements = {}
 
 # Grouping the document tree into LaTeX files. List of tuples
 # (source start file, target name, title, author, documentclass [howto/manual]).
 latex_documents = [
-    ('index', 'capnp.tex', u'capnp Documentation',
-     u'Author', 'manual'),
+    ("index", "capnp.tex", u"capnp Documentation", u"Author", "manual"),
 ]
 
 # The name of an image file (relative to this directory) to place at the top of
@@ -225,10 +232,7 @@ latex_documents = [
 
 # One entry per manual page. List of tuples
 # (source start file, name, description, authors, manual section).
-man_pages = [
-    ('index', 'capnp', u'capnp Documentation',
-     [u'Author'], 1)
-]
+man_pages = [("index", "capnp", u"capnp Documentation", [u"Author"], 1)]
 
 # If true, show URL addresses after external links.
 # man_show_urls = False
@@ -240,9 +244,15 @@ man_pages = [
 # (source start file, target name, title, author,
 #  dir menu entry, description, category)
 texinfo_documents = [
-    ('index', 'capnp', u'capnp Documentation',
-     u'Author', 'capnp', 'One line description of project.',
-     'Miscellaneous'),
+    (
+        "index",
+        "capnp",
+        u"capnp Documentation",
+        u"Author",
+        "capnp",
+        "One line description of project.",
+        "Miscellaneous",
+    ),
 ]
 
 # Documents to append as an appendix to all manuals.
@@ -258,10 +268,10 @@ texinfo_documents = [
 # -- Options for Epub output ---------------------------------------------------
 
 # Bibliographic Dublin Core info.
-epub_title = u'capnp'
-epub_author = u'Author'
-epub_publisher = u'Author'
-epub_copyright = u'2013, Author'
+epub_title = u"capnp"
+epub_author = u"Author"
+epub_publisher = u"Author"
+epub_copyright = u"2013, Author"
 
 # The language of the text. It defaults to the language option
 # or en if the language is not set.
@@ -297,6 +307,6 @@ epub_copyright = u'2013, Author'
 # Allow duplicate toc entries.
 # epub_tocdup = True
 
-intersphinx_mapping = {'http://docs.python.org/': None}
+intersphinx_mapping = {"http://docs.python.org/": None}
 
-smv_branch_whitelist = r'^master$'
+smv_branch_whitelist = r"^master$"