Fix warnings reported by gen_doc.sh

+ Docstring warnings fixed.
 + Multiline param descriptions indented by 4 spaces.
 - Except the PacketVerifier.py one
  - I have tried several quote-like blocks, nothing works.
- Rst warnings not fixed.
 - How can I fix them? They refer to temporarily created files.
+ Other improvements:
 + Python lines no longer than 80 characters.
 + :return: -> :returns:
 + Notes before params.
 + :raises
  + closing colon after exception class.
  + Description is a sentence.
  + Present tense in conditional sentences.
+ Bumped copyright year in edited files.

Change-Id: I462c194eeecb666dc146e26858486a07c990be9b
Signed-off-by: Vratko Polak <vrpolak@cisco.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/resources/libraries/python/IPv4NodeAddress.py b/resources/libraries/python/IPv4NodeAddress.py
index 617377d35a..27d55b7bb6 100644
--- a/resources/libraries/python/IPv4NodeAddress.py
+++ b/resources/libraries/python/IPv4NodeAddress.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2016 Cisco and/or its affiliates.
+# Copyright (c) 2018 Cisco and/or its affiliates.
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at:
@@ -42,8 +42,8 @@ class IPv4NetworkGenerator(object):
 
     def next_network(self):
         """
-        :return: Next network in form (IPv4Network, subnet).
-        :raises: StopIteration if there are no more elements.
+        :returns: Next network in form (IPv4Network, subnet).
+        :raises StopIteration: If there are no more elements.
         """
         if len(self._networks):
             return self._networks.pop()