Update conf.py to satisfy pre-commit

Signed-off-by: John Pennycook <john.pennycook@intel.com>

docs/source/conf.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 #
 # Configuration file for the Sphinx documentation builder.
 #
@@ -135,9 +134,11 @@
 # (source start file, target name, title,
 #  author, documentclass [howto, manual, or own class]).
 latex_documents = [
-    (master_doc, 'p3-analysis-library.tex',
-     'P3 Analysis Library Documentation',
-     'Intel Corporation', 'manual'),
+    (
+        master_doc, 'p3-analysis-library.tex',
+        'P3 Analysis Library Documentation',
+        'Intel Corporation', 'manual',
+    ),
 ]
 
 
@@ -146,8 +147,10 @@
 # One entry per manual page. List of tuples
 # (source start file, name, description, authors, manual section).
 man_pages = [
-    (master_doc, 'p3-analysis-library', 'P3 Analysis Library Documentation',
-     [author], 1)
+    (
+        master_doc, 'p3-analysis-library', 'P3 Analysis Library Documentation',
+        [author], 1,
+    ),
 ]
 
 
@@ -157,10 +160,12 @@
 # (source start file, target name, title, author,
 #  dir menu entry, description, category)
 texinfo_documents = [
-    (master_doc, 'p3-analysis-library', 'P3 Analysis Library Documentation',
-     author, 'p3-analysis-library',
-     'A library simplifying the collection and interpretation of P3 data.',
-     'Miscellaneous'),
+    (
+        master_doc, 'p3-analysis-library', 'P3 Analysis Library Documentation',
+        author, 'p3-analysis-library',
+        'A library simplifying the collection and interpretation of P3 data.',
+        'Miscellaneous',
+    ),
 ]
 
 
@@ -186,7 +191,8 @@
 
 from sphinx_gallery.scrapers import matplotlib_scraper
 
-class tight_scraper(object):
+
+class tight_scraper:
 
     def __repr__(self):
         return self.__class__.__name__
@@ -197,7 +203,7 @@ def __call__(self, *args, **kwargs):
 sphinx_gallery_conf = {
      'examples_dirs': ['../../examples','../../case-studies'],
      'gallery_dirs': ['examples','case-studies'],
-     'image_scrapers': (tight_scraper(), ),
+     'image_scrapers': (tight_scraper(),),
 }
 
 intersphinx_mapping = {