added strict mypy checks

tests/unit/readable_unit_test.py

@@ -1,6 +1,7 @@
 """Unittests for the readable function."""
 
 import pytest
+from typing import Any
 
 from python_utils import readable_unit
 
@@ -31,7 +32,11 @@ TEST_CASES = [
 
 
 @pytest.mark.parametrize("value, unit, expected", TEST_CASES)
-def test_readable_unit(value, unit, expected):
+def test_readable_unit(
+    value: Any,  # Allow invalid types for testing
+    unit: Any,  # Allow invalid types for testing
+    expected: Any,  # Allow invalid types for testing
+) -> None:
     """Test readable_unit function with valid inputs."""
     if isinstance(expected, type) and issubclass(expected, Exception):
         with pytest.raises(expected):