static_path -> static_folder
    
    this has been renamed in flask 1.0
    
    addressing:
    Traceback (most recent call last):
      File "/usr/share/copr/mocks/frontend/app.py", line 19, in <module>
        app = flask.Flask(__name__, static_path='/static', static_folder=static_dir)
    TypeError: __init__() got an unexpected keyword argument 'static_path'