Flake8: fix F401, E222

cubicweb_squareui/__pkginfo__.py

 # pylint: disable=W0622
 """cubicweb-squareui application packaging information"""
 
-from os import listdir as _listdir
-from os.path import join, isdir
-from glob import glob
-
-
 modname = 'squareui'
 distname = 'cubicweb-squareui'
 
@@ -18,7 +13,7 @@
 description = 'data-centric user interface for cubicweb based on bootstrap'
 web = 'http://www.cubicweb.org/project/%s' % distname
 
-__depends__ =  {
+__depends__ = {
     'cubicweb': '>= 3.26.0',
     'cubicweb-bootstrap': '>= 1.3.1',
 }