formatting: Reformat with black

Author: cwacek

conftest.py

@@ -9,20 +9,23 @@
 
 @pytest.fixture
 def markdown_examples():
-    md = pkg_resources.resource_filename('python_jsonschema_objects.examples', 'README.md')
+    md = pkg_resources.resource_filename(
+        "python_jsonschema_objects.examples", "README.md"
+    )
     examples = python_jsonschema_objects.markdown_support.extract_code_blocks(md)
-    examples = {json.loads(v)['title']: json.loads(v) for v in examples['schema']}
+    examples = {json.loads(v)["title"]: json.loads(v) for v in examples["schema"]}
     return examples
 
 
 @pytest.fixture(autouse=True)
 def inject_examples(doctest_namespace, markdown_examples):
-    doctest_namespace['examples'] = markdown_examples
+    doctest_namespace["examples"] = markdown_examples
 
 
 @pytest.fixture
 def Person(markdown_examples):
-    builder = pjs.ObjectBuilder(markdown_examples['Example Schema'], resolved=markdown_examples)
+    builder = pjs.ObjectBuilder(
+        markdown_examples["Example Schema"], resolved=markdown_examples
+    )
     assert builder
-    return builder.classes['ExampleSchema']
-
+    return builder.classes["ExampleSchema"]