message: fix cargo fmt
diff: @@ -2,7 +2,7 @@ use std::cmp::Reverse;
  use std::collections::{BinaryHeap, HashMap};
  use crate::{
  - query::{BooleanQuery, BoostQuery, Occur, Query, TermQuery, bm25::idf},
  + query::{bm25::idf, BooleanQuery, BoostQuery, Occur, Query, TermQuery},
  schema::{Field, FieldType, FieldValue, IndexRecordOption, Term, Value},
  tokenizer::{BoxTokenStream, FacetTokenizer, PreTokenizedStream, Tokenizer},
  DocAddress, Result, Searcher, TantivyError,
  @@ -382,5 +382,4 @@ impl MoreLikeThis {
  Ok(score_terms_vec)
  }
  -
  }
  