Fix getting aliases

Author: Samuel Hassine

pycti/api/opencti_api_client.py

@@ -2376,8 +2376,7 @@ def create_vulnerability(self, name, description, alias=None, id=None, stix_id_k
         return result['data']['vulnerabilityAdd']
 
     def create_vulnerability_if_not_exists(self, name, description, alias=None, id=None, stix_id_key=None, created=None,
-                                           modified=None,
-                                           update=False):
+                                           modified=None, update=False):
         object_result = self.check_existing_stix_domain_entity(stix_id_key, name, 'Vulnerability')
         if object_result is not None:
             if update:

pycti/utils/opencti_stix2.py

@@ -67,7 +67,7 @@ def pick_aliases(self, stix_object):
         elif 'x_mitre_aliases' in stix_object:
             return stix_object['x_mitre_aliases']
         elif 'aliases' in stix_object:
-            return stix_object['alias']
+            return stix_object['aliases']
         return None
 
     def prepare_export(self, entity, stix_object, mode='simple'):