chore: bump version to 4.59.6 and update changelog

Author: avinashp-plivo

CHANGELOG.md

@@ -1,4 +1,9 @@
 # Change Log
+## [4.59.6](https://github.com/plivo/plivo-python/tree/v4.59.6) (2026-02-18)
+**Feature - Campaign API optional fields support**
+- Added `sample3`, `sample4`, `sample5` optional sample message fields to Campaign `create` and `update` methods
+- Added `terms_and_conditions_link` and `privacy_policy_link` optional fields to Campaign `create` and `update` methods
+
 ## [4.59.5](https://github.com/plivo/plivo-python/tree/v4.59.5) (2026-01-21)
 **Feature - HA Number support**
 - Added `ha_enable` optional parameter to PhoneNumber `buy` method for enabling High Availability Number functionality

plivo/resources/brand.py

@@ -40,13 +40,15 @@ def list(self, type=None, status=None,
         brand_type=[optional(of_type(six.text_type), is_in(('STANDARD','STARTER')))],
         profile_uuid=[required(of_type(six.text_type))],
         secondary_vetting=[optional(of_type_exact(bool))],
+        business_contact_email=[optional(of_type(six.text_type))],
         url=[optional(of_type(six.text_type))],
         method=[optional(of_type(six.text_type))])
     def create(self,
                brand_alias,
                brand_type,
                profile_uuid,
                secondary_vetting=False,
+               business_contact_email='',
                url='',
                method='POST'
         ):

setup.py

@@ -10,7 +10,7 @@
 
 setup(
     name='plivo',
-    version='4.59.5',
+    version='4.59.6',
     description='A Python SDK to make voice calls & send SMS using Plivo and to generate Plivo XML',
     long_description=long_description,
     url='https://github.com/plivo/plivo-python',