Fix the warning of ruff

[d-krupke]

This is a pretty simple task. Ruff finds some anti-patterns in the code that should be updated. Most of the time, it directly gives hints. You can run Ruff with pre-commit yourself via pre-commit run --all-files.

Here is a log from my computer:

ruff.....................................................................Failed
- hook id: ruff
- exit code: 1

docs/conf.py:9:20: PTH100 `os.path.abspath()` should be replaced by `Path.resolve()`
examples/example_1.py:11:10: PTH123 `open()` should be replaced by `Path.open()`
examples/example_1.py:12:9: T201 `print` found
examples/example_2.py:14:5: T201 `print` found
examples/example_2.py:15:10: PTH123 `open()` should be replaced by `Path.open()`
examples/example_2b.py:6:5: T201 `print` found
examples/example_2b.py:7:5: T201 `print` found
examples/example_3.py:10:5: T201 `print` found
examples/example_3.py:15:5: T201 `print` found
examples/example_3.py:20:5: T201 `print` found
src/slurminade/batch.py:83:21: PLW2901 `for` loop variable `tasks` overwritten by assignment target
src/slurminade/batch.py:137:13: T201 `print` found
src/slurminade/conf.py:17:12: PTH113 `os.path.isfile()` should be replaced by `Path.is_file()`
src/slurminade/conf.py:18:18: PTH123 `open()` should be replaced by `Path.open()`
src/slurminade/conf.py:23:9: T201 `print` found
src/slurminade/conf.py:35:12: PTH118 `os.path.join()` should be replaced by `Path` with `/` operator
src/slurminade/conf.py:38:16: PTH118 `os.path.join()` should be replaced by `Path` with `/` operator
src/slurminade/dispatcher.py:168:53: ARG002 Unused method argument: `options`
src/slurminade/dispatcher.py:183:12: PTH110 `os.path.exists()` should be replaced by `Path.exists()`
src/slurminade/dispatcher.py:184:13: PTH107 `os.remove()` should be replaced by `Path.unlink()`
src/slurminade/dispatcher.py:189:9: ARG002 Unused method argument: `conf`
src/slurminade/dispatcher.py:190:9: ARG002 Unused method argument: `simple_slurm_kwargs`
src/slurminade/dispatcher.py:194:9: T201 `print` found
src/slurminade/dispatcher.py:199:9: ARG002 Unused method argument: `conf`
src/slurminade/dispatcher.py:200:9: ARG002 Unused method argument: `simple_slurm_kwargs`
src/slurminade/dispatcher.py:204:9: T201 `print` found
src/slurminade/dispatcher.py:225:16: RET504 Unnecessary variable assignment before `return` statement
src/slurminade/dispatcher.py:231:9: RET505 Unnecessary `else` after `return` statement
src/slurminade/dispatcher.py:260:9: RET505 Unnecessary `else` after `return` statement
src/slurminade/dispatcher.py:275:9: RET505 Unnecessary `else` after `return` statement
src/slurminade/dispatcher.py:293:53: ARG002 Unused method argument: `options`
src/slurminade/dispatcher.py:303:9: ARG002 Unused method argument: `conf`
src/slurminade/dispatcher.py:304:9: ARG002 Unused method argument: `simple_slurm_kwargs`
src/slurminade/dispatcher.py:313:9: ARG002 Unused method argument: `conf`
src/slurminade/dispatcher.py:314:9: ARG002 Unused method argument: `simple_slurm_kwargs`
src/slurminade/dispatcher.py:330:53: ARG002 Unused method argument: `options`
src/slurminade/dispatcher.py:340:9: ARG002 Unused method argument: `conf`
src/slurminade/dispatcher.py:341:9: ARG002 Unused method argument: `simple_slurm_kwargs`
src/slurminade/dispatcher.py:349:9: ARG002 Unused method argument: `conf`
src/slurminade/dispatcher.py:350:9: ARG002 Unused method argument: `simple_slurm_kwargs`
src/slurminade/dispatcher.py:398:5: PLW0603 Using the global statement to update `__dispatcher` is discouraged
src/slurminade/dispatcher.py:401:13: PLW0603 Using the global statement to update `__dispatcher` is discouraged
src/slurminade/dispatcher.py:415:5: PLW0603 Using the global statement to update `__dispatcher` is discouraged
src/slurminade/execute.py:34:14: PTH123 `open()` should be replaced by `Path.open()`
src/slurminade/execute.py:51:10: PTH123 `open()` should be replaced by `Path.open()`
src/slurminade/execute.py:55:5: PLW0603 Using the global statement to update `__name__` is discouraged
src/slurminade/function.py:75:9: SIM108 Use ternary operator `job_ids = [job_ids] if isinstance(job_ids, int) else list(job_ids)` instead of `if`-`else`-block
src/slurminade/function.py:146:5: RET505 Unnecessary `else` after `return` statement
src/slurminade/function_map.py:42:33: PTH100 `os.path.abspath()` should be replaced by `Path.resolve()`
src/slurminade/function_map.py:104:12: PTH113 `os.path.isfile()` should be replaced by `Path.is_file()`
src/slurminade/function_map.py:107:19: PTH100 `os.path.abspath()` should be replaced by `Path.resolve()`
src/slurminade/guard.py:20:12: PLW0602 Using global for `_exec_flag` but no assignment is done
src/slurminade/guard.py:35:5: PLW0603 Using the global statement to update `_exec_flag` is discouraged
src/slurminade/guard.py:44:5: PLW0603 Using the global statement to update `_exec_flag` is discouraged
src/slurminade/options.py:14:17: PLW2901 `for` loop variable `v` overwritten by assignment target
tests/test_create_command.py:13:10: PTH123 `open()` should be replaced by `Path.open()`
tests/test_create_command.py:47:14: PTH123 `open()` should be replaced by `Path.open()`
tests/test_local.py:13:10: PTH123 `open()` should be replaced by `Path.open()`
tests/test_local.py:18:8: PTH110 `os.path.exists()` should be replaced by `Path.exists()`
tests/test_local.py:19:9: PTH107 `os.remove()` should be replaced by `Path.unlink()`
tests/test_local.py:24:10: PTH123 `open()` should be replaced by `Path.open()`
tests/test_local.py:29:8: PTH110 `os.path.exists()` should be replaced by `Path.exists()`
tests/test_local.py:30:9: PTH107 `os.remove()` should be replaced by `Path.unlink()`
tests/test_local.py:37:16: PTH110 `os.path.exists()` should be replaced by `Path.exists()`
tests/test_local.py:43:16: PTH110 `os.path.exists()` should be replaced by `Path.exists()`
tests/test_local.py:44:14: PTH123 `open()` should be replaced by `Path.open()`
tests/test_subprocess.py:12:10: PTH123 `open()` should be replaced by `Path.open()`
tests/test_subprocess.py:17:8: PTH110 `os.path.exists()` should be replaced by `Path.exists()`
tests/test_subprocess.py:18:9: PTH107 `os.remove()` should be replaced by `Path.unlink()`
tests/test_subprocess.py:23:10: PTH123 `open()` should be replaced by `Path.open()`
tests/test_subprocess.py:28:8: PTH110 `os.path.exists()` should be replaced by `Path.exists()`
tests/test_subprocess.py:29:9: PTH107 `os.remove()` should be replaced by `Path.unlink()`
tests/test_subprocess.py:35:12: PTH110 `os.path.exists()` should be replaced by `Path.exists()`
tests/test_subprocess.py:37:12: PTH100 `os.path.abspath()` should be replaced by `Path.resolve()`
tests/test_subprocess.py:48:16: PTH110 `os.path.exists()` should be replaced by `Path.exists()`
tests/test_subprocess.py:58:16: PTH110 `os.path.exists()` should be replaced by `Path.exists()`
tests/test_subprocess.py:59:14: PTH123 `open()` should be replaced by `Path.open()`

[d-krupke]

src/slurminade/dispatcher.py:303:9: ARG002 Unused method argument: `conf`
src/slurminade/dispatcher.py:304:9: ARG002 Unused method argument: `simple_slurm_kwargs`
src/slurminade/dispatcher.py:313:9: ARG002 Unused method argument: `conf`
src/slurminade/dispatcher.py:314:9: ARG002 Unused method argument: `simple_slurm_kwargs`

should not be fixed but just an ignore flag should be added.