Collated PEP8 fixes (#25293)

- Make PEP8 compliant

lib/ansible/module_utils/netcfg.py

@@ -92,13 +92,20 @@ class ConfigLine(object):
         assert isinstance(obj, ConfigLine), 'child must be of type `ConfigLine`'
         self._children.append(obj)
 
+
 def ignore_line(text, tokens=None):
     for item in (tokens or DEFAULT_COMMENT_TOKENS):
         if text.startswith(item):
             return True
 
-_obj_to_text = lambda x: [o.text for o in x]
-_obj_to_raw = lambda x: [o.raw for o in x]
+
+def _obj_to_text(x):
+    return [o.text for o in x]
+
+
+def _obj_to_raw(x):
+    return [o.raw for o in x]
+
 
 def _obj_to_block(objects, visited=None):
     items = list()
@@ -110,6 +117,7 @@ def _obj_to_block(objects, visited=None):
                     items.append(child)
     return _obj_to_raw(items)
 
+
 def dumps(objects, output='block', comments=False):
     if output == 'block':
         items = _obj_to_block(objects)
@@ -130,6 +138,7 @@ def dumps(objects, output='block', comments=False):
 
     return '\n'.join(items)
 
+
 class NetworkConfig(object):
 
     def __init__(self, indent=1, contents=None):
@@ -328,7 +337,7 @@ class NetworkConfig(object):
         offset = 0
         obj = None
 
-        ## global config command
+        # global config command
         if not parents:
             for line in lines:
                 item = ConfigLine(line)