Fix for flake8 issues

- D202 No blank lines allowed after function docstring
 - D205 1 blank line required between summary line and description
 - H405 multi line docstring summary not separated with an empty line
 - H201 no 'except:' at least use 'except Exception:'
 - H233 Python 3.x incompatible use of print operator

 Please read OpenStack Style Guidelines
 (http://docs.openstack.org/developer/hacking/)

Change-Id: I0dd92cdd30fc2a89d60a38eb419320f7e13b61ce

plugin_test/helpers/plugin.py

@@ -33,7 +33,6 @@ msg = "Plugin couldn't be enabled. Check plugin version. Test aborted"
 
 def install_manila_plugin(master_node_ip):
     """Install plugin packages to the master node."""
-
     utils.upload_tarball(
         master_node_ip,
         MANILA_PLUGIN_PATH, "/var")
@@ -44,10 +43,10 @@ def install_manila_plugin(master_node_ip):
 
 def upload_manila_image(master_node_ip, image_dest_path):
     """Copy Manila qcow2 image to the master node.
+
     :type master_node_ip: string master-node ip
     :type image_dest_path: string destination path
     """
-
     logger.info(image_dest_path)
     try:
         logger.info("Start to upload manila image file")
@@ -63,7 +62,7 @@ def upload_manila_image(master_node_ip, image_dest_path):
         logger.info('File {} was uploaded on master'.format(dest_path))
         return dest_path
 
-    except:
+    except Exception:
         logger.error('Failed to upload file')
         logger.error(traceback.format_exc())
         return False

plugin_test/helpers/settings.py

@@ -19,4 +19,3 @@ MANILA_PLUGIN_VERSION = os.environ.get('MANILA_PLUGIN_VERSION')
 MANILA_PLUGIN_PATH = os.environ.get('MANILA_PLUGIN_PATH')
 MANILA_IMAGE_PATH = os.environ.get('MANILA_IMAGE_PATH')
 plugin_name = 'fuel-plugin-manila'
-

plugin_test/tests/test_smoke_bvt.py

@@ -173,7 +173,7 @@ class TestManilaSmoke(TestBasic):
             path
         )
 
-        print manila_image
+        print (manila_image)
         assert_true(
             manila_image,
             "Upload of manila image to master node fail"
@@ -256,7 +256,7 @@ class TestManilaSmoke(TestBasic):
             self.ssh_manager.admin_ip,
             path
         )
-        print manila_image
+        print (manila_image)
         assert_true(
             manila_image,
             "Upload of manila image to master node fail"