fix: repeats should be nullable (#30)

Author: cjbell

knockapi/resources/workflows.py

@@ -76,9 +76,9 @@ def create_schedules(
             self,
             key,
             recipients,
-            repeats,
+            repeats=None,
+            scheduled_at=None,
             data={},
-            scheduled_at=datetime.datetime.now(),
             actor=None,
             tenant=None):
         """
@@ -142,7 +142,7 @@ def update_schedules(
     def list_schedules(
             self,
             key,
-            options = {}):
+            options={}):
         """
         List workflow schedules