style: black

Hello dear contributors,

This is an auto generated modification to help you improve the code base of logilab. If this commit is bad don't hesitate to close this MR and report it here https://forge.extranet.logilab.fr/cubicweb/cube-doctor/-/issues.

Kind regards,

cubicweb_blog/migration/1.2.0_Any.py

-rename_entity_type('Blog', u'BlogEntry')
-add_entity_type('Blog')
+rename_entity_type("Blog", "BlogEntry")
+add_entity_type("Blog")
 rql('INSERT Blog B: B title "main blog"')
-rql('SET BE entry_of B WHERE BE is BlogEntry, B is Blog')
+rql("SET BE entry_of B WHERE BE is BlogEntry, B is Blog")
 checkpoint()