fix: linted memory.py, added assertion to test.

Author: Teryl Taylor

cpex/framework/memory.py

@@ -14,6 +14,7 @@
 import copy
 import logging
 import weakref
+from collections.abc import Mapping
 from typing import Any, Iterator, Optional, TypeVar
 
 # Third-Party
@@ -189,16 +190,13 @@ def __eq__(self, other: Any) -> bool:
             True if other is a Mapping with the same key-value pairs, False otherwise.
             Returns NotImplemented for non-Mapping types to allow other.__eq__ to handle it.
         """
-        # Import here to avoid circular dependency
-        from collections.abc import Mapping
-
         if not isinstance(other, Mapping):
             return NotImplemented
-        
+
         # Fast-path: if lengths differ, mappings cannot be equal
         if len(self) != len(other):
             return False
-        
+
         # Compare materialized items
         return dict(self.items()) == dict(other.items())
 

pyproject.toml

@@ -146,6 +146,10 @@ preview = true
 fixable = ["ALL"]
 unfixable = []
 
+[tool.ruff.lint.pylint]
+# Relaxed from the default of 5; existing code has wider try clauses (max observed 38).
+max-statements-in-try = 50
+
 # Ignore D1 (docstring checks) and Pylint checks in tests and other non-production code
 [tool.ruff.lint.per-file-ignores]
 "tests/**/*.py" = ["D1", "PL"]

tests/unit/cpex/framework/test_memory.py

@@ -840,6 +840,8 @@ def test_equality_with_different_dict(self):
         assert cow != {"a": 1, "b": 3}
         assert cow != {"a": 1}
         assert cow != {"a": 1, "b": 2, "c": 3}
+        # Same length, different keys
+        assert cow != {"a": 1, "c": 2}
 
     def test_equality_after_modifications(self):
         """Equality should reflect modifications."""