diff --git a/crates/polars-arrow/src/datatypes/mod.rs b/crates/polars-arrow/src/datatypes/mod.rs
index 076165136086..d1be1b5fde04 100644
--- a/crates/polars-arrow/src/datatypes/mod.rs
+++ b/crates/polars-arrow/src/datatypes/mod.rs
@@ -276,7 +276,9 @@ impl From<arrow_schema::DataType> for DataType {
             },
             DataType::Decimal128(precision, scale) => Self::Decimal(precision as _, scale as _),
             DataType::Decimal256(precision, scale) => Self::Decimal256(precision as _, scale as _),
-            DataType::RunEndEncoded(_, _) => panic!("Run-end encoding not supported by polars_arrow"),
+            DataType::RunEndEncoded(_, _) => {
+                panic!("Run-end encoding not supported by polars_arrow")
+            },
         }
     }
 }