Use Python3 for mqttsas.py

appveyor.yml

@@ -5,12 +5,11 @@ image:
 configuration: Debug
 install:
   - cmd: openssl version
-  - cmd: python --version
-  - cmd: netsh advfirewall firewall add rule name="Python 2.7" dir=in action=allow program="C:\Python27\python.exe" enable=yes
+  - cmd: C:\Python36\python --version
+  - cmd: netsh advfirewall firewall add rule name="Python 3.6" dir=in action=allow program="C:\Python36\python.exe" enable=yes
   - cmd: netsh advfirewall firewall add rule name="Open Port 1883" dir=in action=allow protocol=TCP localport=1883
   - cmd: netsh advfirewall set allprofiles state off
-  - ps: Start-Process python -ArgumentList 'test\mqttsas.py'
-  - cmd: C:\Python36\python --version
+  - ps: Start-Process C:\Python36\python -ArgumentList 'test\mqttsas.py'
   - cmd: git clone https://github.com/eclipse/paho.mqtt.testing.git
   - cmd: cd paho.mqtt.testing\interoperability
   - ps: Start-Process C:\Python36\python -ArgumentList 'startbroker.py -c localhost_testing.conf'

travis-build.sh

@@ -8,7 +8,7 @@ cd build.paho
 echo "travis build dir $TRAVIS_BUILD_DIR pwd $PWD"
 cmake -DCMAKE_BUILD_TYPE=Debug -DPAHO_WITH_SSL=TRUE -DPAHO_BUILD_DOCUMENTATION=FALSE -DPAHO_BUILD_SAMPLES=TRUE ..
 make
-python ../test/mqttsas.py &
+python3 ../test/mqttsas.py &
 ctest -VV --timeout 600
 cpack --verbose
 kill %1