vendorify
diff --git a/go/vendor/github.com/go-openapi/swag/pre_go18.go b/go/vendor/github.com/go-openapi/swag/pre_go18.go
new file mode 100644
index 0000000..860bb2b
--- /dev/null
+++ b/go/vendor/github.com/go-openapi/swag/pre_go18.go
@@ -0,0 +1,9 @@
+// +build !go1.8
+
+package swag
+
+import "net/url"
+
+func pathUnescape(path string) (string, error) {
+	return url.QueryUnescape(path)
+}