1 files changed, 4 insertions, 6 deletions
diff --git a/tests/wpt/web-platform-tests/tools/ci/tc/taskgraph.py b/tests/wpt/web-platform-tests/tools/ci/tc/taskgraph.py
index 8c78f7b5dbe..d5c889d1fb9 100644
--- a/tests/wpt/web-platform-tests/tools/ci/tc/taskgraph.py
+++ b/tests/wpt/web-platform-tests/tools/ci/tc/taskgraph.py
@@ -4,9 +4,7 @@ import re
 from collections import OrderedDict
 from copy import deepcopy
 
-import six
 import yaml
-from six import iteritems
 
 here = os.path.dirname(__file__)
 
@@ -27,7 +25,7 @@ def load_task_file(path):
 
 
 def update_recursive(data, update_data):
-    for key, value in iteritems(update_data):
+    for key, value in update_data.items():
         if key not in data:
             data[key] = value
         else:
@@ -94,13 +92,13 @@ def replace_vars(input_string, variables):
 
 
 def sub_variables(data, variables):
-    if isinstance(data, six.string_types):
+    if isinstance(data, str):
         return replace_vars(data, variables)
     if isinstance(data, list):
         return [sub_variables(item, variables) for item in data]
     if isinstance(data, dict):
         return {key: sub_variables(value, variables)
-                for key, value in iteritems(data)}
+                for key, value in data.items()}
     return data
 
 
@@ -154,7 +152,7 @@ def load_tasks(tasks_data):
                 raise ValueError("Got duplicate task name %s" % new_name)
             map_resolved_tasks[new_name] = substitute_variables(data)
 
-    for task_default_name, data in iteritems(map_resolved_tasks):
+    for task_default_name, data in map_resolved_tasks.items():
         task = resolve_use(data, tasks_data["components"])
         task = resolve_name(task, task_default_name)
         tasks.extend(resolve_chunks(task))