Fix clippy issue

Rafferty97 · Rafferty97 · commit 5bab23fa1e47 · 2026-03-05T11:22:23.000+11:00
diff --git a/datafusion/datasource-csv/src/mod.rs b/datafusion/datasource-csv/src/mod.rs
@@ -54,9 +54,10 @@ mod charset {
 
     pub fn lookup_charset(enc: Option<&str>) -> Result<Option<Infallible>> {
         match enc {
-            Some(_) => Err(DataFusionError::NotImplemented(format!(
+            Some(_) => Err(DataFusionError::NotImplemented(
                 "The 'encoding_rs' feature must be enabled to decode non-UTF-8 encodings"
-            )))?,
+                    .to_string(),
+            ))?,
             None => Ok(None),
         }
     }

Original file line number	Diff line number	Diff line change
`@@ -54,9 +54,10 @@ mod charset {`
`54`	`54`
`55`	`55`	`pub fn lookup_charset(enc: Option<&str>) -> Result<Option<Infallible>> {`
`56`	`56`	`match enc {`
`57`		`- Some(_) => Err(DataFusionError::NotImplemented(format!(`
	`57`	`+ Some(_) => Err(DataFusionError::NotImplemented(`
`58`	`58`	`"The 'encoding_rs' feature must be enabled to decode non-UTF-8 encodings"`
`59`		`- )))?,`
	`59`	`+ .to_string(),`
	`60`	`+ ))?,`
`60`	`61`	`None => Ok(None),`
`61`	`62`	`}`
`62`	`63`	`}`