fix last ruff issues

Author: mathiasertl

structured_tutorials/sphinx/__init__.py

@@ -4,7 +4,7 @@
 from pathlib import Path
 from typing import TYPE_CHECKING, Any
 
-from docutils.nodes import Body, Node, paragraph
+from docutils.nodes import Node, paragraph
 from docutils.parsers.rst.states import RSTState
 from docutils.statemachine import StringList
 from jinja2 import Environment

structured_tutorials/tutorial.py

@@ -14,6 +14,7 @@
 
 @contextmanager
 def chdir(path: Path) -> Iterator[None]:
+    """Context manager to switch the directory."""
     old_cwd = os.getcwd()
     try:
         os.chdir(path)

tests/conftest.py

@@ -2,8 +2,6 @@
 
 from pathlib import Path
 
-import pytest
-
 TEST_DIR = Path(__file__).parent.absolute()
 ROOT_DIR = TEST_DIR.parent
 DATA_DIR = TEST_DIR / "data"