1 files changed, 2 insertions, 1 deletions
diff --git a/src/bin/roadmap2dot.rs b/src/bin/roadmap2dot.rs
index 244a300..b180da8 100644
--- a/src/bin/roadmap2dot.rs
+++ b/src/bin/roadmap2dot.rs
@@ -16,6 +16,7 @@ use std::fs::File;
 use std::io::Read;
 use std::path::PathBuf;
 use structopt::StructOpt;
+use anyhow::Result;
 
 const LABEL_WIDTH: usize = 30;
 
@@ -30,7 +31,7 @@ struct Opt {
     filename: PathBuf,
 }
 
-fn main() -> Result<(), Box<dyn std::error::Error>> {
+fn main() -> Result<()> {
     let opt = Opt::from_args();
     let mut text = String::new();
     let mut f = File::open(opt.filename)?;