Apply pyupgrade changes

hscommon/tests/notify_test.py

@@ -113,7 +113,7 @@ def test_repeater_with_repeated_notifications():
     # If REPEATED_NOTIFICATIONS is not empty, only notifs in this set are repeated (but they're
     # still dispatched locally).
     class MyRepeater(HelloRepeater):
-        REPEATED_NOTIFICATIONS = set(["hello"])
+        REPEATED_NOTIFICATIONS = {"hello"}
 
         def __init__(self, broadcaster):
             HelloRepeater.__init__(self, broadcaster)

hscommon/tests/tree_test.py

@@ -98,7 +98,7 @@ def test_selection_override():
 def test_findall():
     t = tree_with_some_nodes()
     r = t.findall(lambda n: n.name.startswith("sub"))
-    eq_(set(r), set([t[0][0], t[0][1]]))
+    eq_(set(r), {t[0][0], t[0][1]})
 
 
 def test_findall_dont_include_self():
@@ -106,7 +106,7 @@ def test_findall_dont_include_self():
     t = tree_with_some_nodes()
     del t._name  # so that if the predicate is called on `t`, we crash
     r = t.findall(lambda n: not n.name.startswith("sub"), include_self=False)  # no crash
-    eq_(set(r), set([t[0], t[1], t[2]]))
+    eq_(set(r), {t[0], t[1], t[2]})
 
 
 def test_find_dont_include_self():