More precise exceptions

#181

calendar_utils/models.py

@@ -3,7 +3,7 @@ from datetime import date, timedelta
 
 import arrow
 from django.core.serializers.json import DjangoJSONEncoder
-from django.core.validators import URLValidator
+from django.core.validators import URLValidator, ValidationError
 from django.db import models
 from icalevents import icalevents
 
@@ -34,7 +34,7 @@ class EventsJSONField(models.JSONField):
                 try:
                     urlValidator(event.get("location"))
                     event["url"] = event.get("location")
-                except:
+                except ValidationError:
                     pass
 
         return value