rename imports: rackspace/gophercloud -> gophercloud/gophercloud
diff --git a/params_test.go b/params_test.go
index 2f40eec..09b4c98 100644
--- a/params_test.go
+++ b/params_test.go
@@ -6,7 +6,7 @@
 	"testing"
 	"time"
 
-	th "github.com/rackspace/gophercloud/testhelper"
+	th "github.com/gophercloud/gophercloud/testhelper"
 )
 
 func TestMaybeString(t *testing.T) {