More black linting (#2622)

* Add black linting to setup.py, have bumpversion search for the right thing

* Add newsfragment

.bumpversion.cfg

@@ -3,20 +3,20 @@ current_version = 6.0.0-beta.4
 commit = True
 tag = True
 parse = (?P<major>\d+)\.(?P<minor>\d+)\.(?P<patch>\d+)(-(?P<stage>[^.]*)\.(?P<devnum>\d+))?
-serialize = 
+serialize =
 	{major}.{minor}.{patch}-{stage}.{devnum}
 	{major}.{minor}.{patch}
 
 [bumpversion:part:stage]
 optional_value = stable
 first_value = stable
-values = 
+values =
 	alpha
 	beta
 	stable
 
 [bumpversion:part:devnum]
 
 [bumpversion:file:setup.py]
-search = version='{current_version}',
-replace = version='{new_version}',
+search = version="{current_version}",
+replace = version="{new_version}",