make follow-ons use analyst list if no email present on parent request

services/capability/capability/views/capability_request.py

@@ -25,6 +25,8 @@ concerning capability requests
 
 import json
 
+from pycapo import CapoConfig
+
 from capability.views.capability_version import submit_capability_version
 from pyramid.httpexceptions import HTTPBadRequest, HTTPNotFound, HTTPPreconditionFailed
 from pyramid.request import Request
@@ -142,7 +144,8 @@ def create_follow_on_capability_request(request: Request) -> Response:
     version_number = int(request.matchdict["version"])
     current_version = capability_info.lookup_version(request_id, version_number)
     parameters = current_version.parameters
-    user_email = parameters["user_email"] if "user_email" in parameters else None
+    analyst_list = CapoConfig().settings("edu.nrao.workspaces.NotificationSettings").analystEmail
+    user_email = parameters["user_email"] if "user_email" in parameters else analyst_list
 
     previous_workflow_id = current_version.current_execution.current_workflow_request_id
     capability_name = current_version.capability.name