import flask
class MyFlask(flask.Flask):
    @property
    def static_folder(self):
        if self.config.get('STATIC_FOLDER') is not None:
            return os.path.join(self.root_path, 
                self.config.get('STATIC_FOLDER'))
    @static_folder.setter
    def static_folder(self, value):
        self.config.get('STATIC_FOLDER') = value

import warnings
from exceptions import Warning
warnings.simplefilter('ignore', Warning)

def dynamic_import(name):
    components = name.split('.')
    mod = __import__(components[0])
    for comp in components[1:]:
        mod = getattr(mod, comp)
    return mod