fix: convert timestamp str to datetime object

eventtracking/backends/event_bus.py

@@ -5,6 +5,7 @@
 from openedx_events.analytics.data import TrackingLogData
 from openedx_events.analytics.signals import TRACKING_EVENT_EMITTED
 from openedx_events.event_bus import get_producer
+from datetime import datetime
 
 from eventtracking.backends.routing import RoutingBackend
 from eventtracking.config import SEND_TRACKING_EVENT_EMITTED_SIGNAL
@@ -28,9 +29,14 @@ def send(self, event):
         data = json.dumps(event.get("data"))
         context = json.dumps(event.get("context"))
 
+        timestamp = event.get("timestamp")
+
+        if isinstance(timestamp, str):
+            timestamp = datetime.strptime(timestamp, "%Y-%m-%dT%H:%M:%S.%f%z")
+
         tracking_log = TrackingLogData(
             name=event.get("name"),
-            timestamp=event.get("timestamp"),
+            timestamp=timestamp,
             data=data,
             context=context,
         )