1 files changed, 37 insertions, 11 deletions
diff --git a/components/script/dom/bindings/codegen/parser/tests/test_replaceable.py b/components/script/dom/bindings/codegen/parser/tests/test_replaceable.py
index 93ee42ed919..06ea6a47239 100644
--- a/components/script/dom/bindings/codegen/parser/tests/test_replaceable.py
+++ b/components/script/dom/bindings/codegen/parser/tests/test_replaceable.py
@@ -2,8 +2,9 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
+
 def should_throw(parser, harness, message, code):
-    parser = parser.reset();
+    parser = parser.reset()
     threw = False
     try:
         parser.parse(code)
@@ -16,43 +17,68 @@ def should_throw(parser, harness, message, code):
 
 def WebIDLTest(parser, harness):
     # The [Replaceable] extended attribute MUST take no arguments.
-    should_throw(parser, harness, "no arguments", """
+    should_throw(
+        parser,
+        harness,
+        "no arguments",
+        """
         interface I {
           [Replaceable=X] readonly attribute long A;
         };
-    """)
+    """,
+    )
 
     # An attribute with the [Replaceable] extended attribute MUST NOT also be
     # declared with the [PutForwards] extended attribute.
-    should_throw(parser, harness, "PutForwards", """
+    should_throw(
+        parser,
+        harness,
+        "PutForwards",
+        """
         interface I {
           [PutForwards=B, Replaceable] readonly attribute J A;
         };
         interface J {
           attribute long B;
         };
-    """)
+    """,
+    )
 
     # The [Replaceable] extended attribute MUST NOT be used on an attribute
     # that is not read only.
-    should_throw(parser, harness, "writable attribute", """
+    should_throw(
+        parser,
+        harness,
+        "writable attribute",
+        """
         interface I {
           [Replaceable] attribute long A;
         };
-    """)
+    """,
+    )
 
     # The [Replaceable] extended attribute MUST NOT be used on a static
     # attribute.
-    should_throw(parser, harness, "static attribute", """
+    should_throw(
+        parser,
+        harness,
+        "static attribute",
+        """
         interface I {
           [Replaceable] static readonly attribute long A;
         };
-    """)
+    """,
+    )
 
     # The [Replaceable] extended attribute MUST NOT be used on an attribute
     # declared on a callback interface.
-    should_throw(parser, harness, "callback interface", """
+    should_throw(
+        parser,
+        harness,
+        "callback interface",
+        """
         callback interface I {
           [Replaceable] readonly attribute long A;
         };
-    """)
+    """,
+    )