Load module models.

        :return: <void>

def _loadModels(self):
        """
        Load module models.

        :return: <void>
        """
        modelsPath = os.path.join(self.path, "model")
        if not os.path.isdir(modelsPath):
            return

        for modelFile in os.listdir(modelsPath):
            modelName = modelFile.replace(".py", "")
            modelPath = os.path.join(
                self.path, "model", modelFile
            )

            if not os.path.isfile(modelPath):
                continue

            # importing model
            modelSpec = importlib.util.spec_from_file_location(
                modelName,
                modelPath
            )
            model = importlib.util.module_from_spec(modelSpec)
            modelSpec.loader.exec_module(model)

            # initializing model
            modelInstance = model.Model(self.application)
            self.application.addModel(self.name, modelName, modelInstance)