code: def enrich_app(self, name, value):
          '''
          Add a new property to the app (with setattr)
  
          Args:
              name (str): the name of the new property
              value (any): the value of the new property
          '''
          #Method shouldn't be added:  https://stackoverflow.com/a/28060251/3042398
          if type(value) == type(self.enrich_app):
              raise ValueError("enrich_app can't add method")
  
          setattr(self.app, name, valuef enrich_app(self, name, value):
          '''
          Add a new property to the app (with setattr)
  
          Args:
              name (str): the name of the new property
              value (any): the value of the new property
          '''
          #Method shouldn't be added:  https://stackoverflow.com/a/28060251/3042398
          if type(value) == type(self.enrich_app):
              raise ValueError("enrich_app can't add method")
  
          setattr(self.app, name, value)
docs: Add a new property to the app (with setattr)
  
          Args:
              name (str): the name of the new property
              value (any): the value of the new property