Ruff pandas vet (#10281)

* Python linting: Add ruff rules for Pandas-vet and Pytest-style

* updating DIRECTORY.md

---------

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>

conversions/decimal_to_hexadecimal.py

@@ -57,7 +57,8 @@ def decimal_to_hexadecimal(decimal: float) -> str:
     >>> decimal_to_hexadecimal(-256) == hex(-256)
     True
     """
-    assert type(decimal) in (int, float) and decimal == int(decimal)
+    assert isinstance(decimal, (int, float))
+    assert decimal == int(decimal)
     decimal = int(decimal)
     hexadecimal = ""
     negative = False