Install twine first

Jenkinsfile

@@ -21,6 +21,7 @@ pipeline {
         TWINE_CREDS = 'credentials(\'2eddcc32-2914-4b5c-bec4-52d40cfba020\')'
       }
       steps {
+        sh 'pip install -u twine'
         sh 'python -m twine upload -u $TWINE_CREDS_USR -p $TWINE_CREDS_PSW python/dist/*'
       }
     }