fix

rowers/integrations/intervals.py

@@ -582,9 +582,10 @@ class IntervalsIntegration(SyncIntegration):
         try:
             id = record['id']
             try:
-                w = Workout.objects.get(uploadedtointervals=id)
+                ws = Workout.objects.filter(uploadedtointervals=id)
                 if w.user == self.rower:
-                    w.delete()
+                    for w in ws:
+                        w.delete()
             except Workout.DoesNotExist:
                 pass
         except KeyError: