def METHOD_NAME(self, resource_slug, app_trans_generator):
    """
    return the name of the resource i.e module/form in source lang on Transifex
    :param resource_slug: like module_moduleUniqueID
    """
    if MODULES_AND_FORMS_SHEET_NAME in resource_slug:
        return MODULES_AND_FORMS_SHEET_NAME
    module_or_form_unique_id = resource_slug.split('_')[1]
    resource_name_in_all_langs = app_trans_generator.slug_to_name[module_or_form_unique_id]
    return resource_name_in_all_langs.get(self.transifex_project_source_lang,
                                          resource_name_in_all_langs.get('en', resource_slug))