Fix lint errors

plugins/modules/virt.py

@@ -478,6 +478,7 @@ def define(self, xml):
         self.__get_conn()
         return self.conn.define_from_xml(xml)
 
+
 # A dict of interface types (found in their `type` attribute) to the
 # corresponding "source" attribute name of their  <source> elements
 # user networks don't have a <source> element
@@ -491,6 +492,7 @@ def define(self, xml):
     'user': None,
 }
 
+
 def handle_define(module, v):
     ''' handle `command: define` '''
     xml = module.params.get('xml', None)
@@ -605,7 +607,7 @@ def get_interface_count(_type, source=None):
                         continue
 
                     if _type not in INTERFACE_SOURCE_ATTRS:
-                        module.warn("Skipping fuzzy MAC matching for interface %i of incoming XML: unsupported interface type '%s'" %(
+                        module.warn("Skipping fuzzy MAC matching for interface %i of incoming XML: unsupported interface type '%s'." % (
                             interface.getparent().index(interface) + 1, _type
                         ))
                         continue