1 files changed, 32 insertions, 18 deletions
diff --git a/components/script/dom/bindings/codegen/parser/tests/test_overload.py b/components/script/dom/bindings/codegen/parser/tests/test_overload.py
index 8e02f64d6c9..7816276aa6d 100644
--- a/components/script/dom/bindings/codegen/parser/tests/test_overload.py
+++ b/components/script/dom/bindings/codegen/parser/tests/test_overload.py
@@ -1,7 +1,9 @@
 import WebIDL
 
+
 def WebIDLTest(parser, harness):
-    parser.parse("""
+    parser.parse(
+        """
         interface TestOverloads {
           undefined basic();
           undefined basic(long arg1);
@@ -14,21 +16,29 @@ def WebIDLTest(parser, harness):
           undefined optionalTest();
           undefined optionalTest(optional long num1, long num2);
         };
-    """)
+    """
+    )
 
     results = parser.finish()
 
     harness.ok(True, "TestOverloads interface parsed without error.")
     harness.check(len(results), 1, "Should be one production.")
     iface = results[0]
-    harness.ok(isinstance(iface, WebIDL.IDLInterface),
-               "Should be an IDLInterface")
-    harness.check(iface.identifier.QName(), "::TestOverloads", "Interface has the right QName")
-    harness.check(iface.identifier.name, "TestOverloads", "Interface has the right name")
+    harness.ok(isinstance(iface, WebIDL.IDLInterface), "Should be an IDLInterface")
+    harness.check(
+        iface.identifier.QName(), "::TestOverloads", "Interface has the right QName"
+    )
+    harness.check(
+        iface.identifier.name, "TestOverloads", "Interface has the right name"
+    )
     harness.check(len(iface.members), 4, "Expect %s members" % 4)
 
     member = iface.members[0]
-    harness.check(member.identifier.QName(), "::TestOverloads::basic", "Method has the right QName")
+    harness.check(
+        member.identifier.QName(),
+        "::TestOverloads::basic",
+        "Method has the right QName",
+    )
     harness.check(member.identifier.name, "basic", "Method has the right name")
     harness.check(member.hasOverloads(), True, "Method has overloads")
 
@@ -37,24 +47,28 @@ def WebIDLTest(parser, harness):
 
     (retval, argumentSet) = signatures[0]
 
-    harness.check(str(retval), "Undefined", "Expect a undefined retval")
+    harness.check(str(retval), "Undefined", "Expect an undefined retval")
     harness.check(len(argumentSet), 0, "Expect an empty argument set")
 
     (retval, argumentSet) = signatures[1]
-    harness.check(str(retval), "Undefined", "Expect a undefined retval")
+    harness.check(str(retval), "Undefined", "Expect an undefined retval")
     harness.check(len(argumentSet), 1, "Expect an argument set with one argument")
 
     argument = argumentSet[0]
-    harness.ok(isinstance(argument, WebIDL.IDLArgument),
-               "Should be an IDLArgument")
-    harness.check(argument.identifier.QName(), "::TestOverloads::basic::arg1", "Argument has the right QName")
+    harness.ok(isinstance(argument, WebIDL.IDLArgument), "Should be an IDLArgument")
+    harness.check(
+        argument.identifier.QName(),
+        "::TestOverloads::basic::arg1",
+        "Argument has the right QName",
+    )
     harness.check(argument.identifier.name, "arg1", "Argument has the right name")
     harness.check(str(argument.type), "Long", "Argument has the right type")
 
     member = iface.members[3]
-    harness.check(len(member.overloadsForArgCount(0)), 1,
-                  "Only one overload for no args")
-    harness.check(len(member.overloadsForArgCount(1)), 0,
-                  "No overloads for one arg")
-    harness.check(len(member.overloadsForArgCount(2)), 1,
-                  "Only one overload for two args")
+    harness.check(
+        len(member.overloadsForArgCount(0)), 1, "Only one overload for no args"
+    )
+    harness.check(len(member.overloadsForArgCount(1)), 0, "No overloads for one arg")
+    harness.check(
+        len(member.overloadsForArgCount(2)), 1, "Only one overload for two args"
+    )