updated CHANGES.md

Author: maxkahan

CHANGES.md

@@ -1,3 +1,9 @@
+# 2.6.0
+
+- Dropped support for Python 3.6 and below
+- Now supporting currently supported stable versions of Python, i.e. Python 3.7-3.10
+- Internal refactoring and enhancements
+
 # 2.5.x
 
 - Support for Independent SMS, Voice and Verify APIs with tests as well as current client methods

vonage/_internal.py

@@ -113,7 +113,7 @@ def get_application(self, application_id):
 
         return self._api_server.get(
             f"/v2/applications/{application_id}",
-            headers={"content-type": "application/json"},
+            headers={"Content-Type": "application/json"},
         )
 
     def update_application(self, application_id, params):
@@ -134,7 +134,7 @@ def delete_application(self, application_id):
 
         self._api_server.delete(
             f"/v2/applications/{application_id}",
-            headers={"content-type": "application/json"},
+            headers={"Content-Type": "application/json"},
         )
 
     def list_applications(self, page_size=None, page=None):
@@ -151,7 +151,7 @@ def list_applications(self, page_size=None, page=None):
         return self._api_server.get(
             "/v2/applications",
             params=params,
-            headers={"content-type": "application/json"},
+            headers={"Content-Type": "application/json"},
         )