Fix: attendance.py example script exits with error if --from or --to …

…params are used

attendance.py

@@ -32,7 +32,7 @@
 
 async def main():
     s = spond.Spond(username=username, password=password)
-    events = await s.get_events(args.f, args.t)
+    events = await s.get_events(min_start=args.f, max_start=args.t)
 
     if not os.path.exists("./exports"):
         os.makedirs("./exports")