Remove redundant d&s markup option

Author: FRESHVIEW\jianjun.chen

HISTORY.md

@@ -1,5 +1,8 @@
 # createsend-python history
 
+## v9.1.4 - 13 Jun, 2025
+* Removed now redundant parameter ```markup_on_design_spam_test``` from method client.set_payg_billing
+
 ## v9.1.3 - 4 Feb, 2025
 * Updated cacert.pem. From [#92](https://github.com/campaignmonitor/createsend-python/pull/92) 
 * Updates various URLs to use HTTPS

lib/createsend/client.py

@@ -108,16 +108,15 @@ def set_basics(self, company, timezone, country):
         response = self._put(self.uri_for('setbasics'), json.dumps(body))
 
     def set_payg_billing(self, currency, can_purchase_credits, client_pays, markup_percentage,
-                         markup_on_delivery=0, markup_per_recipient=0, markup_on_design_spam_test=0):
+                         markup_on_delivery=0, markup_per_recipient=0):
         """Sets the PAYG billing settings for this client."""
         body = {
             "Currency": currency,
             "CanPurchaseCredits": can_purchase_credits,
             "ClientPays": client_pays,
             "MarkupPercentage": markup_percentage,
             "MarkupOnDelivery": markup_on_delivery,
-            "MarkupPerRecipient": markup_per_recipient,
-            "MarkupOnDesignSpamTest": markup_on_design_spam_test}
+            "MarkupPerRecipient": markup_per_recipient}
         response = self._put(self.uri_for('setpaygbilling'), json.dumps(body))
 
     def set_monthly_billing(self, currency, client_pays, markup_percentage, monthly_scheme=None):

setup.py

@@ -2,7 +2,7 @@
 
 setup(
     name="createsend",
-    version='9.1.3',
+    version='9.1.4',
     description="A library which implements the complete functionality of the Campaign Monitor API.",
     author='Campaign Monitor',
     author_email='support@campaignmonitor.com',

test/fixtures/client_details.json

@@ -15,7 +15,6 @@
   "BillingDetails": {
      "CanPurchaseCredits": true,
      "Credits": 500,
-     "MarkupOnDesignSpamTest": 0.0,
      "ClientPays": true,
      "BaseRatePerRecipient": 1.0,
      "MarkupPerRecipient": 0.0,