TMSS-272: fixed concurrency

SAS/TMSS/client/lib/populate.py

@@ -27,7 +27,6 @@ def populate_schemas(schema_dir: str=None, templates_filename: str=None):
     if templates_filename is None:
         templates_filename = 'templates.json'
 
-    with TMSSsession.create_from_dbcreds_for_ldap() as client:
     templates_filepath = os.path.join(schema_dir, templates_filename)
     logger.info("Reading templates in: %s", templates_filepath)
     with open(templates_filepath) as templates_file:
@@ -44,6 +43,7 @@ def populate_schemas(schema_dir: str=None, templates_filename: str=None):
                         description = template.pop('description', json_schema.get('description', '<no description>'))
                         version = template.pop('version', '1')
 
+                        with TMSSsession.create_from_dbcreds_for_ldap() as client:
                             if template_path == 'subtask_template' and 'type' in template:
                                 # override plain-text type by its url
                                 template['type'] = client.get_path_as_json_object('subtask_type/'+template.pop('type'))['url']