Add isort cfg

.isort.cfg

@@ -0,0 +1,6 @@
+[settings]
+line_length=90
+default_section=THIRDPARTY
+no_lines_before=LOCALFOLDER
+force_single_line=True
+sections=FUTURE,STDLIB,THIRDPARTY,FIRSTPARTY,LOCALFOLDER

pytest_sphinx.py

@@ -9,17 +9,17 @@
 
 import doctest
 import enum
-from pathlib import Path
 import re
 import sys
 import textwrap
 import traceback
+from pathlib import Path
 
 import _pytest.doctest
 import pytest
+from _pytest.doctest import DoctestItem
 from _pytest.doctest import _is_mocked
 from _pytest.doctest import _patch_unwrap_mock_aware
-from _pytest.doctest import DoctestItem
 from _pytest.pathlib import import_path
 
 

tests/test_options.py

@@ -2,6 +2,7 @@
 import textwrap
 
 import pytest
+
 from pytest_sphinx import _split_into_body_and_options
 
 

tests/test_text_files.py

@@ -1,4 +1,5 @@
 import _pytest.doctest
+
 import pytest_sphinx