code: def getProfileImage(self, name):
          
          for p in self.persons:
              if 'pseudo' in self.persons[p]:
                  if name == self.persons[p]['pseudo']:
                      image_id = self.persons[p]['face']['id']
                      key = self.persons[p]['face']['key']
                      return self.getCameraPicture(image_id, key)
          return None, None
docs: Retrieve the face of a given person