@@ -124,12 +124,12 @@ def get_urls(self):
124124 re_path (
125125 r"^(.+)/move/$" ,
126126 action_form_view_decorator (self )(self .move_view ),
127- name = "%s_%s_move" % info ,
127+ name = "{}_{}_move" . format ( * info ) ,
128128 ),
129129 re_path (
130130 r"^(.+)/clone/$" ,
131131 action_form_view_decorator (self )(self .clone_view ),
132- name = "%s_%s_clone" % info ,
132+ name = "{}_{}_clone" . format ( * info ) ,
133133 ),
134134 ] + super ().get_urls ()
135135
@@ -151,7 +151,7 @@ def action_form_view(self, request, obj, *, form_class, title):
151151 return self .render_action_form (request , form , title = title , obj = obj )
152152
153153 def render_action_form (self , request , form , * , title , obj ):
154- adminForm = helpers .AdminForm (
154+ adminform = helpers .AdminForm (
155155 form ,
156156 [
157157 (None , {"fields" : form .fields .keys ()})
@@ -160,14 +160,14 @@ def render_action_form(self, request, form, *, title, obj):
160160 (), # self.get_readonly_fields(request, obj),
161161 model_admin = self ,
162162 )
163- media = self .media + adminForm .media
163+ media = self .media + adminform .media
164164
165165 context = dict (
166166 self .admin_site .each_context (request ),
167167 title = title ,
168168 object_id = obj .pk ,
169169 original = obj ,
170- adminform = adminForm ,
170+ adminform = adminform ,
171171 errors = helpers .AdminErrorList (form , ()),
172172 preserved_filters = self .get_preserved_filters (request ),
173173 media = media ,
@@ -436,7 +436,7 @@ def process(self):
436436
437437 for inline in self .modeladmin .inlines :
438438 fk = _get_foreign_key (
439- self .modeladmin .model , inline .model , inline .fk_name , False
439+ self .modeladmin .model , inline .model , inline .fk_name , can_fail = False
440440 )
441441
442442 # Remove all existing instances
@@ -497,7 +497,7 @@ def queryset(self, request, queryset):
497497 if self .value ():
498498 try :
499499 node = queryset .model ._default_manager .get (pk = self .value ())
500- except (TypeError , ValueError , queryset .model .DoesNotExist ):
501- raise IncorrectLookupParameters ()
500+ except (TypeError , ValueError , queryset .model .DoesNotExist ) as exc :
501+ raise IncorrectLookupParameters () from exc
502502 return queryset .descendants (node , include_self = True )
503503 return queryset
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