Add Python 3.13 support & drop python 3.8 & upgrade package version

Author: hakancelikdev

docs/CHANGELOG.md

@@ -5,6 +5,7 @@ All notable changes to this project will be documented in this file.
 ## [Unreleased] - YYYY-MM-DD
 
 ### Added
+
 - Python 3.13 support added
 
 ### Changed

docs/CONTRIBUTING.md

@@ -35,10 +35,10 @@ $ git rebase upstream/main
 
 ## Testing
 
-First, make sure you have at least one of the python versions py3.9, py3.10, py3.11, py3.12 and
-py3.13 If not all versions are available, after opening PR, github action will run the
-tests for each version, so you can be sure that you wrote the correct code. You can skip
-the tox step below.
+First, make sure you have at least one of the python versions py3.9, py3.10, py3.11,
+py3.12 and py3.13 If not all versions are available, after opening PR, github action
+will run the tests for each version, so you can be sure that you wrote the correct code.
+You can skip the tox step below.
 
 After typing your codes, you should run the tests by typing the following command.
 

tests/cases/test_cases.py

@@ -32,7 +32,11 @@ def test_cases(path: Path, logger):
 
     source = path.read_text()
     skip_if = re.search(r"# pytest.mark.skipif\((?P<condition>.*), reason: (?P<reason>.*)\)", source, re.IGNORECASE)
-    if skip_if and (condition := skip_if.group("condition")) and condition in ("not PY310_PLUS", "not PY312_PLUS", "not PY313_PLUS"):
+    if (
+        skip_if
+        and (condition := skip_if.group("condition"))
+        and condition in ("not PY310_PLUS", "not PY312_PLUS", "not PY313_PLUS")
+    ):
         reason = skip_if.group("reason")
         pytest.mark.skipif(False, reason, allow_module_level=True)