Fixed #28907 -- Removed unnecessary if statements.

django/contrib/admin/views/main.py

@@ -104,7 +104,6 @@ class ChangeList:
                 raise DisallowedModelAdminLookup("Filtering by %s not allowed" % key)
 
         filter_specs = []
-        if self.list_filter:
         for list_filter in self.list_filter:
             if callable(list_filter):
                 # This is simply a custom list filter class.
@@ -116,8 +115,8 @@ class ChangeList:
                     field, field_list_filter_class = list_filter
                 else:
                     # This is simply a field name, so use the default
-                        # FieldListFilter class that has been registered for
-                        # the type of the given field.
+                    # FieldListFilter class that has been registered for the
+                    # type of the given field.
                     field, field_list_filter_class = list_filter, FieldListFilter.create
                 if not isinstance(field, models.Field):
                     field_path = field
@@ -126,11 +125,11 @@ class ChangeList:
                 lookup_params_count = len(lookup_params)
                 spec = field_list_filter_class(
                     field, request, lookup_params,
-                        self.model, self.model_admin, field_path=field_path
+                    self.model, self.model_admin, field_path=field_path,
                 )
                 # field_list_filter_class removes any lookup_params it
-                    # processes. If that happened, check if distinct() is
-                    # needed to remove duplicate results.
+                # processes. If that happened, check if distinct() is needed to
+                # remove duplicate results.
                 if lookup_params_count > len(lookup_params):
                     use_distinct = use_distinct or lookup_needs_distinct(self.lookup_opts, field_path)
             if spec and spec.has_output():

django/db/models/query.py

@@ -62,7 +62,6 @@ class ModelIterable(BaseIterable):
         related_populators = get_related_populators(klass_info, select, db)
         for row in compiler.results_iter(results):
             obj = model_cls.from_db(db, init_list, row[model_fields_start:model_fields_end])
-            if related_populators:
             for rel_populator in related_populators:
                 rel_populator.populate(row, obj)
             if annotation_col_map:
@@ -1771,7 +1770,6 @@ class RelatedPopulator:
             obj = None
         else:
             obj = self.model_cls.from_db(self.db, self.init_list, obj_data)
-            if self.related_populators:
             for rel_iter in self.related_populators:
                 rel_iter.populate(row, obj)
         self.local_setter(from_obj, obj)

django/template/defaulttags.py

@@ -1363,7 +1363,6 @@ def url(parser, token):
         asvar = bits[-1]
         bits = bits[:-2]
 
-    if bits:
     for bit in bits:
         match = kwarg_re.match(bit)
         if not match: