diff --git a/MANIFEST.in b/MANIFEST.in
index d135714..593729c 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -20,5 +20,6 @@ include requirements.txt
 include .pyup.yml
 include *.json
 include *.sh
+include *.toml
 
 global-exclude *.py[cod] __pycache__ *.so *.dylib .github .github/*
diff --git a/src/octokit/__init__.py b/src/octokit/__init__.py
index 44707f7..865946c 100644
--- a/src/octokit/__init__.py
+++ b/src/octokit/__init__.py
@@ -3,9 +3,10 @@ import re
 from collections import defaultdict
 
 import requests
+from octokit_routes import specifications
+
 from octokit import utils
 from octokit.base import Base
-from octokit_routes import specifications
 
 page_regex = re.compile(r'[\?\&]page=(\d+)[_&=%+\w\d]*>; rel="(\w+)"')
 
diff --git a/src/octokit/base.py b/src/octokit/base.py
index c11948e..7708f67 100644
--- a/src/octokit/base.py
+++ b/src/octokit/base.py
@@ -7,6 +7,7 @@ from collections import defaultdict
 
 import requests
 from jose import jwt
+
 from octokit import errors
 from octokit import utils
 
diff --git a/tests/test_auth.py b/tests/test_auth.py
index 093c24b..16bec66 100644
--- a/tests/test_auth.py
+++ b/tests/test_auth.py
@@ -4,6 +4,7 @@ from collections import namedtuple
 
 import pytest
 import requests
+
 from octokit import Octokit
 
 
diff --git a/tests/test_methods.py b/tests/test_methods.py
index ec0fba0..dec14e2 100644
--- a/tests/test_methods.py
+++ b/tests/test_methods.py
@@ -3,6 +3,7 @@ from collections import namedtuple
 
 import pytest
 import requests
+
 from octokit import Octokit
 from octokit import errors
 
diff --git a/tests/test_validation.py b/tests/test_validation.py
index 12ee1d3..c190901 100644
--- a/tests/test_validation.py
+++ b/tests/test_validation.py
@@ -1,4 +1,5 @@
 import pytest
+
 from octokit import errors
 from octokit.base import Base
 
diff --git a/tox.ini b/tox.ini
index 5d6a2fc..f3eb606 100644
--- a/tox.ini
+++ b/tox.ini
@@ -49,11 +49,11 @@ deps =
     readme-renderer
     pygments
     isort
-    black==19.3b0
+    black
 skip_install = true
 commands =
     python setup.py check --strict --metadata --restructuredtext
     check-manifest {toxinidir}
     flake8 src tests setup.py
-    isort --verbose --check-only --diff --recursive src tests setup.py
+    isort --verbose --check-only --diff src tests setup.py
     black -t py36 --check --verbose src tests setup.py