check python res

test/scripts/run_doctest.py

 #!/usr/bin/env python3
 
-import os
 from flask import Flask
 from flask_sqlalchemy import SQLAlchemy
 
@@ -11,6 +10,6 @@ app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
 import labelstower
 labelstower.bp.db = SQLAlchemy(app)
 
-import doctest
+import sys, doctest
 (failure_count, test_count) = doctest.testmod(labelstower.getter,verbose=True)
 failure_count == 0