Fix style issues

Author: rasmunk

.flake8

@@ -1,3 +1,3 @@
 [flake8]
-ignore = F821
+ignore = F821, W503
 exclude = venv,ldap_hooks/__init__.py,example/setup_ldap_entry_hook_config.py,example/setup_ldap_hook_test_config.py

tests/configs/jhub/ldap_object_spawner_hook.py

@@ -1,7 +1,7 @@
 """A simple jupyter config file for testing the authenticator."""
 from ldap_hooks import setup_ldap_entry_hook
-from ldap_hooks import LDAP, LDAP_SEARCH_ATTRIBUTE_QUERY, \
-    SPAWNER_USER_ATTRIBUTE, LDAP_FIRST_SEARCH_ATTRIBUTE_QUERY
+from ldap_hooks import LDAP, SPAWNER_USER_ATTRIBUTE, \
+    LDAP_FIRST_SEARCH_ATTRIBUTE_QUERY
 c = get_config()
 
 c.JupyterHub.ip = '0.0.0.0'

tests/test_ldap_hooks.py

@@ -324,8 +324,8 @@ def test_ldap_person_dynamic_attr_hook(build_image, network, containers):
                      'ports': {8000: 8000},
                      'network': LDAP_NETWORK_NAME,
                      'detach': 'True',
-                     'command': 'jupyterhub --debug -f ' +
-                     jhub_obj_spw_target_config}
+                     'command': 'jupyterhub --debug -f '
+                     + jhub_obj_spw_target_config}
 
 
 @pytest.mark.parametrize('build_image', [jhub_image_spec],
@@ -464,4 +464,4 @@ def test_dynamic_object_spawner_attributes(build_image, network, containers):
                                    client.containers.list()
                                    if "jupyter-" in jup_container.name]
         # double check it is gone
-        assert len(post_jupyter_containers) == 0
+        assert len(post_jupyter_containers) == 0