diff --git a/dcos/api/package.py b/dcos/api/package.py
index 6d31a4b..a6c9ca3 100644
--- a/dcos/api/package.py
+++ b/dcos/api/package.py
@@ -908,6 +908,6 @@ class IndexEntries():
         """
 
         return {
-          'source': self.source.url,
-          'packages': self.packages
+            'source': self.source.url,
+            'packages': self.packages
         }
diff --git a/integrations/cli/test_config.py b/integrations/cli/test_config.py
index 27bf19b..34a631d 100644
--- a/integrations/cli/test_config.py
+++ b/integrations/cli/test_config.py
@@ -1,6 +1,6 @@
 import os
-import pytest
 
+import pytest
 from common import exec_command
 
 
diff --git a/integrations/cli/test_dcos.py b/integrations/cli/test_dcos.py
index 29f8397..2f2be3c 100644
--- a/integrations/cli/test_dcos.py
+++ b/integrations/cli/test_dcos.py
@@ -1,8 +1,9 @@
 import os
 
-from common import exec_command
 from dcos.api import util
 
+from common import exec_command
+
 
 def test_help():
     returncode, stdout, stderr = exec_command(['dcos', '--help'])
diff --git a/integrations/cli/test_help.py b/integrations/cli/test_help.py
index 8f6ed32..5b7b334 100644
--- a/integrations/cli/test_help.py
+++ b/integrations/cli/test_help.py
@@ -1,4 +1,5 @@
 import os
+
 from common import exec_command
 
 
diff --git a/tests/test_cmds.py b/tests/test_cmds.py
index a1218a7..d5c2626 100644
--- a/tests/test_cmds.py
+++ b/tests/test_cmds.py
@@ -1,6 +1,7 @@
-import pytest
 from dcos.api import cmds, errors
 
+import pytest
+
 
 @pytest.fixture
 def args():
diff --git a/tests/test_config.py b/tests/test_config.py
index 81b95b4..9b70f60 100644
--- a/tests/test_config.py
+++ b/tests/test_config.py
@@ -1,6 +1,7 @@
-import pytest
 from dcos.api import config
 
+import pytest
+
 
 @pytest.fixture
 def conf():
diff --git a/tests/test_jsonitem.py b/tests/test_jsonitem.py
index 96a3da3..6153d7b 100644
--- a/tests/test_jsonitem.py
+++ b/tests/test_jsonitem.py
@@ -1,6 +1,7 @@
-import pytest
 from dcos.api import errors, jsonitem
 
+import pytest
+
 
 @pytest.fixture(params=range(6))
 def bad_object(request):
diff --git a/tox.ini b/tox.ini
index 0489ad6..dbf7ec7 100644
--- a/tox.ini
+++ b/tox.ini
@@ -16,7 +16,7 @@ deps =
 
 commands =
   flake8 --verbose dcos tests integrations
-  isort --recursive --check-only --diff --verbose {envsitepackagesdir}/dcos
+  isort --recursive --check-only --diff --verbose dcos tests integrations
 
 [testenv:py27-unit]
 commands =