diff --git a/hot/software-config/elements/heat-config-ansible/install.d/hook-ansible.py b/hot/software-config/elements/heat-config-ansible/install.d/hook-ansible.py
index 972bd321..2a46c7f8 100755
--- a/hot/software-config/elements/heat-config-ansible/install.d/hook-ansible.py
+++ b/hot/software-config/elements/heat-config-ansible/install.d/hook-ansible.py
@@ -57,11 +57,11 @@ def main(argv=sys.argv):
     if not config_text:
         log.warn("No 'config' input found, nothing to do.")
         return
-    #Write 'variables' to file
+    # Write 'variables' to file
     with os.fdopen(os.open(
             vars_filename, os.O_CREAT | os.O_WRONLY, 0o600), 'w') as var_file:
         json.dump(variables, var_file)
-    #Write the executable, 'config', to file
+    # Write the executable, 'config', to file
     with os.fdopen(os.open(fn, os.O_CREAT | os.O_WRONLY, 0o600), 'w') as f:
         f.write(c.get('config', '').encode('utf-8'))
 
diff --git a/hot/software-config/elements/heat-config-docker-compose/install.d/hook-docker-compose.py b/hot/software-config/elements/heat-config-docker-compose/install.d/hook-docker-compose.py
index c43df4d2..da291f67 100755
--- a/hot/software-config/elements/heat-config-docker-compose/install.d/hook-docker-compose.py
+++ b/hot/software-config/elements/heat-config-docker-compose/install.d/hook-docker-compose.py
@@ -77,7 +77,7 @@ def main(argv=sys.argv):
         json.dump(build_response(stdout, stderr, 0), sys.stdout)
         return
 
-    #convert config to dict
+    # convert config to dict
     if not isinstance(config, dict):
         config = ast.literal_eval(json.dumps(yaml.load(config)))
 
diff --git a/test-requirements.txt b/test-requirements.txt
index 1536cec8..75cbc9a9 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -3,7 +3,7 @@ discover
 dpath>=1.3.2
 fixtures>=0.3.14
 # Hacking already pins down pep8, pyflakes and flake8
-hacking>=0.8.0,<0.9
+hacking>=0.10.0,<0.11
 mock>=1.0
 requests>=1.2.1,!=2.4.0
 requests-mock>=0.4.0  # Apache-2.0
diff --git a/tests/software_config/test_heat_config_kubelet.py b/tests/software_config/test_heat_config_kubelet.py
index 8f16e47d..03d2eed9 100644
--- a/tests/software_config/test_heat_config_kubelet.py
+++ b/tests/software_config/test_heat_config_kubelet.py
@@ -142,6 +142,6 @@ class HeatConfigKubeletORCTest(common.RunScriptTest):
             manifest_path = self.manifests_dir.join(manifest_name)
             self.assertThat(manifest_path, matchers.FileExists())
 
-            #manifest file should match manifest config
+            # manifest file should match manifest config
             self.assertEqual(config['config'],
                              self.json_from_file(manifest_path))