diff --git a/src/store/isomorphism.rs b/src/store/isomorphism.rs
index 2e3f372e..fb317c38 100644
--- a/src/store/isomorphism.rs
+++ b/src/store/isomorphism.rs
@@ -1,8 +1,8 @@
 use model::data::*;
+use std::collections::hash_map::DefaultHasher;
 use std::collections::BTreeSet;
 use std::collections::HashMap;
 use std::collections::HashSet;
-use std::collections::hash_map::DefaultHasher;
 use std::hash::Hash;
 use std::hash::Hasher;
 use store::memory::MemoryGraph;
diff --git a/tests/rdf_test_cases.rs b/tests/rdf_test_cases.rs
index 9da67ae4..eea5764e 100644
--- a/tests/rdf_test_cases.rs
+++ b/tests/rdf_test_cases.rs
@@ -9,10 +9,10 @@ use reqwest::Response;
 use rudf::model::data::*;
 use rudf::model::vocab::rdf;
 use rudf::model::vocab::rdfs;
-use rudf::rio::RioError;
-use rudf::rio::RioResult;
 use rudf::rio::ntriples::read_ntriples;
 use rudf::rio::turtle::read_turtle;
+use rudf::rio::RioError;
+use rudf::rio::RioResult;
 use rudf::store::isomorphism::GraphIsomorphism;
 use rudf::store::memory::MemoryGraph;
 use std::error::Error;