diff --git a/.isort.cfg b/.isort.cfg
new file mode 100644
index 0000000..1e2a124
--- /dev/null
+++ b/.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
diff --git a/pytest_sphinx.py b/pytest_sphinx.py
index 54c8a56..364b0ce 100644
--- a/pytest_sphinx.py
+++ b/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
 
 
diff --git a/tests/test_options.py b/tests/test_options.py
index 1744679..26de13f 100644
--- a/tests/test_options.py
+++ b/tests/test_options.py
@@ -2,6 +2,7 @@
 import textwrap
 
 import pytest
+
 from pytest_sphinx import _split_into_body_and_options
 
 
diff --git a/tests/test_text_files.py b/tests/test_text_files.py
index 31ce5e4..b1cd9b4 100644
--- a/tests/test_text_files.py
+++ b/tests/test_text_files.py
@@ -1,4 +1,5 @@
 import _pytest.doctest
+
 import pytest_sphinx