From 6a16fcd6664ef2f8fe8e640884ad8d17f1baf213 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dani=C3=ABl=20van=20Noord?=
 <13665637+DanielNoord@users.noreply.github.com>
Date: Tue, 29 Nov 2022 00:05:34 +0100
Subject: [PATCH] Initial review

---
 jsonschema/exceptions.py | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/jsonschema/exceptions.py b/jsonschema/exceptions.py
index ed792b0a..f6a3b414 100644
--- a/jsonschema/exceptions.py
+++ b/jsonschema/exceptions.py
@@ -4,7 +4,7 @@
 from __future__ import annotations
 
 from collections import defaultdict, deque
-from collections.abc import Iterable
+from collections.abc import Iterable, Mapping
 from pprint import pformat
 from textwrap import dedent, indent
 from typing import TYPE_CHECKING, Any
@@ -37,8 +37,8 @@ def __init__(
         cause: Exception | None = None,
         context=(),
         validator_value=_unset,
-        instance: dict[str, Any] | _utils.Unset = _unset,
-        schema: dict[str, Any] | _utils.Unset = _unset,
+        instance: Any = _unset,
+        schema: Mapping[str, Any] | bool | _utils.Unset = _unset,
         schema_path: Iterable[str | int] = (),
         parent: _Error | None = None,
         type_checker: _types.TypeChecker | _utils.Unset = _unset,
@@ -160,11 +160,8 @@ def _contents(self):
         return dict((attr, getattr(self, attr)) for attr in attrs)
 
     def _matches_type(self) -> bool:
-        if isinstance(self.schema, _utils.Unset):
-            return False
-
         try:
-            expected = self.schema["type"]
+            expected = self.schema["type"]  # type: ignore[index] # We crash if it's not a dict
         except (KeyError, TypeError):
             return False