Fix "wrap functions with 2 blank lines" pep8 check

Now gates are requires this pep8 rule as mandatory so until it'll be
fixed merge is blocked.

Change-Id: I0072536f3404b36135be43a59b801fe5db13413b

core/helpers/log_helpers.py

@@ -266,4 +266,5 @@ class QuietLogger(object):
     def __exit__(self, exc_type, exc_value, exc_tb):
         logging.StreamHandler().setLevel(self.level)
 
+
 __all__ = ['logwrap', 'QuietLogger', 'logger']

core/models/fuel_client/client.py

@@ -31,4 +31,5 @@ class Client(object):
 
         self.ostf = ostf_client.OSTFClient(ostf_clnt)
 
+
 __all__ = ['Client']

fuelweb_test/config_templates/prepare_release_image.py

@@ -54,5 +54,6 @@ def execute():
                         "{cluster.id}",
                         release_str))
 
+
 if __name__ == '__main__':
     execute()

fuelweb_test/settings.py

@@ -24,6 +24,7 @@ def get_var_as_bool(name, default):
     value = os.environ.get(name, '')
     return _boolean_states.get(value.lower(), default)
 
+
 # Default timezone for clear logging
 TIME_ZONE = 'UTC'
 
@@ -49,6 +50,7 @@ INTERFACES_DICT = {
 def iface_alias(interface_name):
     return INTERFACES_DICT[interface_name]
 
+
 ISO_PATH = os.environ.get('ISO_PATH')
 LOGS_DIR = os.environ.get('LOGS_DIR', os.getcwd())
 # cdrom or usb

fuelweb_test/testrail/report_tempest_results.py

@@ -276,5 +276,6 @@ def main():
     LOG.info('The results of Tempest tests have been uploaded.')
     LOG.info('Report URL: {0}'.format(test_plan['url']))
 
+
 if __name__ == "__main__":
     main()

fuelweb_test/testrail/upload_cases_description.py

@@ -437,5 +437,6 @@ def main():
                               tests=tests_descriptions,
                               check_all_sections=not options.check_one_section)
 
+
 if __name__ == '__main__':
     main()

system_test/core/repository.py

@@ -80,6 +80,7 @@ class TestCaseRepository(set):
         raise AttributeError("'TestCaseRepository' object has no attribute "
                              " 'update'")
 
+
 Repository = TestCaseRepository()
 
 

utils/jenkins/conv_snapshot_file.py

@@ -207,5 +207,6 @@ def main():
 
     write_test_vars(SNAPSHOT_OUTPUT_FILE, test_variables)
 
+
 if __name__ == '__main__':
     main()

utils/jenkins/fuel_logs.py

@@ -885,5 +885,6 @@ class FuelLogs(object):
 
 ##############################################################################
 
+
 if __name__ == '__main__':
     IO.main()