Fix nightly build by removing redundant use (#399)

briansmith · web-flow · commit 489eeee3ad86 · 2024-02-21T11:08:21.000+03:00
diff --git a/src/error_impls.rs b/src/error_impls.rs
@@ -1,7 +1,6 @@
 extern crate std;
 
 use crate::Error;
-use core::convert::From;
 use std::io;
 
 impl From<Error> for io::Error {
