Use newer version of flake8

tox.ini

@@ -32,7 +32,7 @@ whitelist_externals=
 exclude = */migrations/*, */urls.py, .ropeproject
 
 [testenv:flake8]
-deps= flake8==3.0.2
+deps= flake8
 skip_install=True
 commands=
     flake8 .

website/members/admin.py

@@ -146,6 +146,7 @@ class UserAdmin(BaseUserAdmin):
     student_number_csv_export.short_description = _('Download student number '
                                                     'label for selected users')
 
+
 admin.site.register(models.BecomeAMemberDocument)
 
 # re-register User admin

website/merchandise/sitemaps.py

@@ -11,6 +11,7 @@ class StaticViewSitemap(sitemaps.Sitemap):
     def location(self, item):
         return reverse(item)
 
+
 sitemap = {
     'merchandise-static': StaticViewSitemap,
 }

website/photos/admin.py

@@ -115,5 +115,6 @@ class PhotoAdmin(admin.ModelAdmin):
                              _("Full-sized photos will not be saved "
                                "on the Thalia-website."))
 
+
 admin.site.register(Album, AlbumAdmin)
 admin.site.register(Photo, PhotoAdmin)

website/thabloid/admin.py

@@ -6,4 +6,5 @@ from .models import Thabloid
 class ThabloidAdmin(admin.ModelAdmin):
     list_filter = ('year', )
 
+
 admin.site.register(Thabloid, ThabloidAdmin)