diff --git a/tools/python/unittests/linphonetester.py b/tools/python/unittests/linphonetester.py
index 04e60b765..2b2ec3253 100644
--- a/tools/python/unittests/linphonetester.py
+++ b/tools/python/unittests/linphonetester.py
@@ -205,8 +205,8 @@ class CoreManager:
     @classmethod
     def call_state_changed(cls, lc, call, state, msg):
         manager = lc.user_data
-        to_address = call.call_log.to.as_string()
-        #from_address = call.call_log.from.as_string()
+        to_address = call.call_log.to_address.as_string()
+        from_address = call.call_log.from_address.as_string()
         from_address = ''
         direction = "Outgoing"
         if call.call_log.dir == linphone.CallDir.CallIncoming:
diff --git a/tools/python/unittests/test_call.py b/tools/python/unittests/test_call.py
index 0bc8902de..1c299413d 100644
--- a/tools/python/unittests/test_call.py
+++ b/tools/python/unittests/test_call.py
@@ -24,5 +24,5 @@ class TestCall:
         assert_equals(out_call.reason, linphone.Reason.ReasonBusy)
         if len(pauline.lc.call_logs) > 0:
             out_call_log = pauline.lc.call_logs[0]
-            assert out_call_log != None
+            assert out_call_log is not None
             assert_equals(out_call_log.status, linphone.CallStatus.CallAborted)