code: def movielens_metadata_df():
      return get_movielens_metadata()
  
imports: import pytest
  from sklearn.model_selection import train_test_split
  from collie.cross_validation import random_split, stratified_split
  from collie.interactions import ExplicitInteractions, Interactions
  from collie.movielens import get_movielens_metadata, get_user_metadata, read_movielens_df, read_movielens_df_item, read_movielens_df_user, read_movielens_posters_df
  from collie.utils import convert_to_implicit
label_desc: Use image node_id 7 for calling a global function with example usage: movielens_metadata_df() and returns: get_movielens_metadata