Update the pre-commit dependency versions and fix new flake8 errors.

Author: Ryan Whitmore

.pre-commit-config.yaml

@@ -5,21 +5,21 @@ exclude: |
   )$
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.4.0
+    rev: v5.0.0
     hooks:
       - id: debug-statements
       - id: check-merge-conflict
   - repo: https://github.com/psf/black
-    rev: 23.3.0
+    rev: 25.1.0
     hooks:
       - id: black
         language_version: python3
   - repo: https://github.com/pycqa/flake8
-    rev: 6.0.0
+    rev: 7.3.0
     hooks:
       - id: flake8
   - repo: https://github.com/pycqa/isort
-    rev: 5.12.0
+    rev: 6.0.1
     hooks:
       - id: isort
   - repo: https://github.com/PyCQA/autoflake

cons/core.py

@@ -121,7 +121,7 @@ def __hash__(self):
 
     def __eq__(self, other):
         return (
-            type(self) == type(other)
+            type(self) is type(other)
             and self.car == other.car
             and self.cdr == other.cdr
         )

tests/test_cons.py

@@ -183,7 +183,7 @@ def test_car_cdr():
 
     z = car(cons(iter([]), 1))
     expected = iter([])
-    assert type(z) == type(expected)
+    assert type(z) is type(expected)
     assert list(z) == list(expected)
 
     li = iter([1])