altered to run flask development server

wsgi.py

 import os
-import sys
-import logging
 from app import app as application
 from markupsafe import Markup
 
+# Make sure to import os
+import sys
+import logging
+
 sys.modules['flask'].Markup = Markup
 
 logging.basicConfig(stream=sys.stderr)
 
+# Use if __name__ == '__main__': to run the Flask development server
 if __name__ == '__main__':
     application.run(host='0.0.0.0', port=int(os.environ.get('PORT', 8080)))