fix order

movielens-recent-ratings.py

@@ -73,13 +73,13 @@ class MovieLens(datasets.GeneratorBasedBuilder):
         df["user_id"] = df["userId"].map(lambda x: mapping[x])
         # add "tt" prefix to align with IMDB URL IDs
         df["imdb_id"] = df["imdbId"].apply(lambda x: "tt" + str(x))
+        # now add the movie posters
+        posters = datasets.load_dataset("pinecone/movie-posters", split='train').to_pandas()
+        df = df.merge(posters, left_on='imdb_id', right_on='imdbId')
         # we also don't need all columns
         df = df[
             ["imdb_id", "movie_id", "user_id", "rating", "title"]
         ]
-        # now add the movie posters
-        posters = datasets.load_dataset("pinecone/movie-posters", split='train').to_pandas()
-        df = df.merge(posters, left_on='imdb_id', right_on='imdbId')
         # save
         df.to_json(new_url+"/ratings.jsonl", orient="records", lines=True)