Error when running app.py

Hi
I have this error 👎 
  File "app.py", line 2, in <module>
    from flask_oauth import OAuth
  File "/Users/philippehaumesser/anaconda/lib/python3.6/site-packages/flask_oauth.py", line 13, in <module>
    from urlparse import urljoin
ModuleNotFoundError: No module named 'urlparse'

thanks for help