Merge pull request #209 from pallets/formatter-super

call string.Formatter.__init__
pallets · May 11, 2021 · 0bd14f0 · 0bd14f0
2 parents 88173cb + 15ffa63
commit 0bd14f0
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/src/markupsafe/__init__.py b/src/markupsafe/__init__.py
@@ -211,8 +211,11 @@ def __html_format__(self, format_spec: str) -> "Markup":
 
 
 class EscapeFormatter(string.Formatter):
+    __slots__ = ("escape",)
+
     def __init__(self, escape: t.Callable[[t.Any], Markup]) -> None:
         self.escape = escape
+        super().__init__()
 
     def format_field(self, value: t.Any, format_spec: str) -> str:
         if hasattr(value, "__html_format__"):
@@ -249,6 +252,8 @@ def _escape_argspec(
 class _MarkupEscapeHelper:
     """Helper for :meth:`Markup.__mod__`."""
 
+    __slots__ = ("obj", "escape")
+
     def __init__(self, obj: t.Any, escape: t.Callable[[t.Any], Markup]) -> None:
         self.obj = obj
         self.escape = escape