diff --git a/.travis.yml b/.travis.yml
index 6801b68..7302df9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,8 +14,10 @@ go_import_path: github.com/corywalker/expreduce
 
 install:
   - go get -u github.com/golang/lint/golint
+  - go get golang.org/x/tools/cmd/goimports
 script:
   - 'golint ./... | grep -v "be unexported" | grep -v "resourcesRubi"'
+  - goimports -l . | grep -v resources.go
   - go test -v ./...
   - go test -v -race ./... -run Concurrency
 
diff --git a/utils/factorout/factorout.go b/utils/factorout/factorout.go
index 0d5d2c3..450dbe0 100644
--- a/utils/factorout/factorout.go
+++ b/utils/factorout/factorout.go
@@ -4,10 +4,11 @@ import (
 	"bytes"
 	"flag"
 	"fmt"
-	"github.com/corywalker/expreduce/expreduce"
 	"log"
 	"regexp"
 	"strings"
+
+	"github.com/corywalker/expreduce/expreduce"
 )
 
 var modules = flag.String("modules", "",