--- mosquitto-1.6.4/test/broker/09-extended-auth-change-username.py.old	2019-08-01 19:50:01.000000000 +0000
+++ mosquitto-1.6.4/test/broker/09-extended-auth-change-username.py	2019-08-27 22:20:08.560518752 +0000
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 # Check whether an extended auth plugin can change the username of a client.
 
--- mosquitto-1.6.4/test/broker/09-extended-auth-multistep-reauth.py.old	2019-08-01 19:50:01.000000000 +0000
+++ mosquitto-1.6.4/test/broker/09-extended-auth-multistep-reauth.py	2019-08-27 22:22:11.530519618 +0000
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 from mosq_test_helper import *
 
--- mosquitto-1.6.4/test/broker/09-extended-auth-multistep.py.old	2019-08-01 19:50:01.000000000 +0000
+++ mosquitto-1.6.4/test/broker/09-extended-auth-multistep.py	2019-08-27 22:20:37.030518952 +0000
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 from mosq_test_helper import *
 
--- mosquitto-1.6.4/test/broker/09-extended-auth-single.py.old	2019-08-01 19:50:01.000000000 +0000
+++ mosquitto-1.6.4/test/broker/09-extended-auth-single.py	2019-08-27 22:21:42.250519412 +0000
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 # Multi tests for extended auth with a single step.
 # * Error in plugin
--- mosquitto-1.6.4/test/broker/09-extended-auth-single2.py.old	2019-08-01 19:50:01.000000000 +0000
+++ mosquitto-1.6.4/test/broker/09-extended-auth-single2.py	2019-08-27 22:21:02.220519130 +0000
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 # Multi tests for extended auth with a single step - multiple plugins at once.
 # * Error in plugin
--- mosquitto-1.6.4/test/broker/09-extended-auth-unsupported.py.old	2019-08-01 19:50:01.000000000 +0000
+++ mosquitto-1.6.4/test/broker/09-extended-auth-unsupported.py	2019-08-27 22:21:20.360519257 +0000
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 # Test whether an unsupported extended auth is rejected.