little fix in moodle_exporter

Author: HadronCollider

common_grade_export/src/exporters/moodle_exporter.py

@@ -53,7 +53,7 @@ def parse_person_table(cls, data, users_params):
                         activity_id = activity[itemname_key]["id"].split("_")[1]
                         activity["grade"]["content"] = activity["grade"][
                             "content"
-                        ].rsplit(">", 1)[-1]
+                        ].rsplit(">", 1)[-1].replace('.', ',')
                     else:
                         activity_name = "total"
                         if activity["grade"]["content"] == "-":