diff --git a/docs/source/conf.py b/docs/source/conf.py
index fe189ddfe5418e503042866cd2cbfdb5155710b0..b66ee0a8d9e53b64ae75e66d7b9ad8e98ece636b 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -14,14 +14,15 @@
 # import sys
 # sys.path.insert(0, os.path.abspath('.'))
 
+import json
+import os
+import sys
 from importlib import import_module
+from typing import List
 
-from docutils.parsers.rst import Directive
 from docutils import nodes
+from docutils.parsers.rst import Directive
 from sphinx import addnodes
-import json
-import os
-import sys
 
 sys.path.insert(0, os.path.abspath(
     os.path.join(
diff --git a/test/test_routes.py b/test/test_routes.py
index e2445973ab1963d09e38cf3310f757fe3bbf2408..2e42f3e438e6eddb5215e25af7e343d605bb9b4e 100644
--- a/test/test_routes.py
+++ b/test/test_routes.py
@@ -1,9 +1,10 @@
 import json
+
 import jsonschema
 import pytest
 
-from compendium_v2.routes.default import VERSION_SCHEMA
 from compendium_v2.routes.api import THING_LIST_SCHEMA
+from compendium_v2.routes.default import VERSION_SCHEMA
 
 
 @pytest.mark.parametrize(
diff --git a/test/test_service_matrix.py b/test/test_service_matrix.py
index ac4297bc8861ae8aeafad794fc324885602b3b43..ef5347497e569cf950ef496de6de14730cf59b3e 100644
--- a/test/test_service_matrix.py
+++ b/test/test_service_matrix.py
@@ -1,6 +1,8 @@
 import json
+
 import jsonschema
 import pytest
+
 from compendium_v2.routes.service_matrix import SERVICE_MATRIX_SCHEMA
 
 
diff --git a/tox.ini b/tox.ini
index 866cff4e1db88072a3c371182b31f9f45f7d4242..b02bc9b33be56dd2970839b2336646ccba7d7eac 100644
--- a/tox.ini
+++ b/tox.ini
@@ -17,7 +17,7 @@ commands =
     coverage html
     coverage report --fail-under 85
     flake8
-    isort -c --df compendium_v2
+    isort -c --df compendium_v2 docs/source test
     # Disable mypy in tox until build server supports python 3.9
 #    mypy .
     sphinx-build -M html docs/source docs/build