diff --git a/columnar/src/columnar/reader/mod.rs b/columnar/src/columnar/reader/mod.rs
index f398f3ec5..bc83c48cb 100644
--- a/columnar/src/columnar/reader/mod.rs
+++ b/columnar/src/columnar/reader/mod.rs
@@ -93,9 +93,7 @@ fn column_dictionary_prefix_for_subpath(root_path: &str) -> String {
 impl ColumnarReader {
     /// Opens a new Columnar file.
     pub fn open<F>(file_slice: F) -> io::Result<ColumnarReader>
-    where
-        FileSlice: From<F>,
-    {
+    where FileSlice: From<F> {
         Self::open_inner(file_slice.into())
     }