[PATCH v1] framework/config: fix pylama errors

["Juraj Linkeš" <juraj.linkes@pantheon.tech>]

Pylama found the following errors:
framework/config.py:303: [E] E1133 Non-iterable value sections is used in an iterating context [pylint]
framework/config.py:405: [E] E1133 Non-iterable value sections is used in an iterating context [pylint]
framework/config.py:446: [E] E1133 Non-iterable value sections is used in an iterating context [pylint]
framework/config.py:500: [E] E0602 Undefined variable 'IxiaConf' [pylint]
- remove usage of nonexistent class

Signed-off-by: Juraj Linkeš <juraj.linkes@pantheon.tech>
---
Lijuan, please add additional people to review if needed.
---
 framework/config.py | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/framework/config.py b/framework/config.py
index d0e63bfd..3d7c4936 100644
--- a/framework/config.py
+++ b/framework/config.py
@@ -75,7 +75,7 @@ class UserConf():
 
     def get_sections(self):
         if self.conf is None:
-            return None
+            return []
 
         return self.conf.sections()
 
@@ -496,10 +496,6 @@ if __name__ == '__main__':
     crbsconf = CrbsConf(CRBCONF)
     print(crbsconf.load_crbs_config())
 
-    # example for ixia configuration file
-    ixiaconf = IxiaConf(IXIACONF)
-    print(ixiaconf.load_ixia_config())
-
     # example for suite configure file
     suiteconf = SuiteConf("suite_sample")
     print(suiteconf.load_case_config("case1"))
-- 
2.20.1