Migrate redhat importer

Fix severities in UI

Signed-off-by: Tushar Goel <tushar.goel.dav@gmail.com>

Author: TG1999

vulnerabilities/importers/redhat.py

@@ -142,12 +142,13 @@ def to_advisory(advisory_data):
             if rhsa_data.get("cvrfdoc"):
                 # not all RHSA errata have a corresponding CVRF document
                 value = get_item(rhsa_data, "cvrfdoc", "aggregate_severity")
-                rhsa_aggregate_severities.append(
-                    VulnerabilitySeverity(
-                        system=severity_systems.REDHAT_AGGREGATE,
-                        value=value,
+                if value:
+                    rhsa_aggregate_severities.append(
+                        VulnerabilitySeverity(
+                            system=severity_systems.REDHAT_AGGREGATE,
+                            value=value,
+                        )
                     )
-                )
 
             references.append(
                 Reference(

vulnerabilities/templates/vulnerability.html

@@ -66,7 +66,7 @@ <h3>Severity</h3>
                     <th> Found At </th>
                 </tr>
             {% for ref in object_list %}
-                {% for obj in ref.scores %}
+                {% for obj in ref.severities %}
                 <tr>
                     <td>{{obj.scoring_system}}</td>