Update awsLib.py

awsLib.py

@@ -4,6 +4,7 @@ from requests.models import PreparedRequest
 from requests_auth_aws_sigv4 import AWSSigV4
 from datetime import datetime
 from datetime import UTC
+from datetime import timedelta
 from dateutil.relativedelta import relativedelta
 
 # lib by drago
@@ -160,7 +161,7 @@ async def get_service_cost_and_usage(session, key, secret, service="Claude 3 Son
     now = datetime.now(UTC)  # Use UTC for AWS requests
     six_months_ago = now - relativedelta(months=6)
     start_date = six_months_ago.replace(day=1).strftime('%Y-%m-%d')
-    end_date = now.replace(day=30).strftime('%Y-%m-%d')
+    end_date = (now.replace(day=1) + relativedelta(months=1) - timedelta(days=1)).strftime('%Y-%m-%d')
     
     payload = {
         "TimePeriod": {