Fix last Pylint error in Functest

It also fixes all pylint warnings in router and the related unit
tests. tox.ini is updated to ensure that no error is introduced.

Change-Id: Iddd74b0dac7b6581d72b04369140006c9e19f998
Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/functest/opnfv_tests/vnf/router/vnf_controller/checker.py b/functest/opnfv_tests/vnf/router/vnf_controller/checker.py
index 198a5ffc..a7a70f6d 100644
--- a/functest/opnfv_tests/vnf/router/vnf_controller/checker.py
+++ b/functest/opnfv_tests/vnf/router/vnf_controller/checker.py
@@ -7,6 +7,8 @@
 # which accompanies this distribution, and is available at
 # http://www.apache.org/licenses/LICENSE-2.0
 
+# pylint: disable=missing-docstring
+
 """vrouter test result check module"""
 
 import json
@@ -24,7 +26,8 @@ class Checker(object):
     def __init__(self):
         self.logger.debug("init checker")
 
-    def load_check_rule(self, rule_file_dir, rule_file_name, parameter):
+    @staticmethod
+    def load_check_rule(rule_file_dir, rule_file_name, parameter):
         loader = FileSystemLoader(rule_file_dir,
                                   encoding='utf8')
         env = Environment(loader=loader)
@@ -33,7 +36,8 @@ class Checker(object):
         check_rule_data = json.loads(check_rule)
         return check_rule_data
 
-    def regexp_information(self, response, rules):
+    @staticmethod
+    def regexp_information(response, rules):
         status = False
         result_data = {}