diff --git a/src/lib.rs b/src/lib.rs
index 9af5965..551ef19 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -77,9 +77,9 @@ pub type Ring = Vec<Pt>;
 pub use crate::band::Band;
 pub use crate::contour::Contour;
 pub use crate::contourbuilder::ContourBuilder;
+pub use crate::error::{Error, ErrorKind, Result};
 pub use crate::isoringbuilder::contour_rings;
 pub use crate::line::Line;
-pub use crate::error::{Error, ErrorKind, Result};
 
 #[cfg(test)]
 mod tests {