diff --git a/Makefile b/Makefile
index 63d18c1..d20dd04 100644
--- a/Makefile
+++ b/Makefile
@@ -62,4 +62,4 @@ static-assets-clean:
 static-assets:
 	@echo "==> Generating static assets"
 	@go-bindata -pkg glass -prefix webui -nocompress -o assets.gen.go ./webui/...
-	#go run ./internal/gensym -o=./module/internal/types/types.gen.go
+	@go run ./internal/gensym -o=./module/internal/types/types.gen.go
diff --git a/go.mod b/go.mod
index 500ff34..be71404 100644
--- a/go.mod
+++ b/go.mod
@@ -8,7 +8,7 @@ require (
 	github.com/hamba/testutils v0.1.1
 	github.com/joho/godotenv v1.3.0
 	github.com/stretchr/testify v1.6.1
-	github.com/traefik/yaegi v0.9.2
+	github.com/traefik/yaegi v0.9.4
 	github.com/urfave/cli/v2 v2.2.0
 	github.com/vincent-petithory/dataurl v0.0.0-20191104211930-d1553a71de50
 	github.com/zserge/lorca v0.1.9
diff --git a/go.sum b/go.sum
index 5afd11c..30abd99 100644
--- a/go.sum
+++ b/go.sum
@@ -31,6 +31,8 @@ github.com/stretchr/testify v1.6.1 h1:hDPOHmpOpP40lSULcqw7IrRb/u7w6RpDC9399XyoNd
 github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/traefik/yaegi v0.9.2 h1:u694KQ98E0gGQoOPvlHIkc6DLxgoA24ZfEgo+TWhqyE=
 github.com/traefik/yaegi v0.9.2/go.mod h1:FAYnRlZyuVlEkvnkHq3bvJ1lW5be6XuwgLdkYgYG6Lk=
+github.com/traefik/yaegi v0.9.4 h1:ZyxSsvpzZTTTbvE2ODjRkOvq6kYT3dIZDqUfCZJYDtw=
+github.com/traefik/yaegi v0.9.4/go.mod h1:FAYnRlZyuVlEkvnkHq3bvJ1lW5be6XuwgLdkYgYG6Lk=
 github.com/urfave/cli/v2 v2.2.0 h1:JTTnM6wKzdA0Jqodd966MVj4vWbbquZykeX1sKbe2C4=
 github.com/urfave/cli/v2 v2.2.0/go.mod h1:SE9GqnLQmjVa0iPEY0f1w3ygNIYcIJ0OKPMoW2caLfQ=
 github.com/vincent-petithory/dataurl v0.0.0-20191104211930-d1553a71de50 h1:uxE3GYdXIOfhMv3unJKETJEhw78gvzuQqRX/rVirc2A=
diff --git a/internal/gensym/gensym.go b/internal/gensym/gensym.go
index c6df6de..2cd36b5 100644
--- a/internal/gensym/gensym.go
+++ b/internal/gensym/gensym.go
@@ -1,36 +1,36 @@
 package main
 
-// import (
-//	"bytes"
-//	"flag"
-//	"io/ioutil"
-//	"log"
-//
-//	"github.com/traefik/yaegi/internal/extract"
-// )
-//
-// const (
-//	pkgIdent = "github.com/glasslabs/looking-glass/module/types"
-// )
-//
-// var (
-//	outputFile = flag.String("o", "gen.go", "The output file")
-// )
-//
-// func main() {
-//	flag.Parse()
-//
-//	ext := extract.Extractor{Dest: "types"}
-//
-//	var buf bytes.Buffer
-//	_, err := ext.Extract(pkgIdent, "", &buf)
-//	if err != nil {
-//		log.Println(err)
-//		return
-//	}
-//
-//	if err := ioutil.WriteFile(*outputFile, buf.Bytes(), 0600); err != nil {
-//		log.Println(err)
-//		return
-//	}
-// }
+import (
+	"bytes"
+	"flag"
+	"io/ioutil"
+	"log"
+
+	"github.com/traefik/yaegi/extract"
+)
+
+const (
+	pkgIdent = "github.com/glasslabs/looking-glass/module/types"
+)
+
+var (
+	outputFile = flag.String("o", "gen.go", "The output file")
+)
+
+func main() {
+	flag.Parse()
+
+	ext := extract.Extractor{Dest: "types"}
+
+	var buf bytes.Buffer
+	_, err := ext.Extract(pkgIdent, "", &buf)
+	if err != nil {
+		log.Println(err)
+		return
+	}
+
+	if err := ioutil.WriteFile(*outputFile, buf.Bytes(), 0600); err != nil {
+		log.Println(err)
+		return
+	}
+}
diff --git a/module/internal/types/types.yaegi.go b/module/internal/types/types.yaegi.go
deleted file mode 100644
index 9ef510d..0000000
--- a/module/internal/types/types.yaegi.go
+++ /dev/null
@@ -1,55 +0,0 @@
-// Code generated by 'github.com/traefik/yaegi/extract github.com/nrwiersma/scape/module/types'. DO NOT EDIT.
-
-package types
-
-import (
-	"github.com/glasslabs/looking-glass/module/types"
-	"reflect"
-)
-
-func init() {
-	Symbols["github.com/glasslabs/looking-glass/module/types"] = map[string]reflect.Value{
-		// type definitions
-		"Info":   reflect.ValueOf((*types.Info)(nil)),
-		"Logger": reflect.ValueOf((*types.Logger)(nil)),
-		"UI":     reflect.ValueOf((*types.UI)(nil)),
-
-		// interface wrapper definitions
-		"_Logger": reflect.ValueOf((*_github_com_nrwiersma_scape_module_types_Logger)(nil)),
-		"_UI":     reflect.ValueOf((*_github_com_nrwiersma_scape_module_types_UI)(nil)),
-	}
-}
-
-// _github_com_nrwiersma_scape_module_types_Logger is an interface wrapper for Logger type
-type _github_com_nrwiersma_scape_module_types_Logger struct {
-	WError func(msg string, ctx []interface{})
-	WInfo  func(msg string, ctx []interface{})
-}
-
-func (W _github_com_nrwiersma_scape_module_types_Logger) Error(msg string, ctx []interface{}) {
-	W.WError(msg, ctx)
-}
-func (W _github_com_nrwiersma_scape_module_types_Logger) Info(msg string, ctx []interface{}) {
-	W.WInfo(msg, ctx)
-}
-
-// _github_com_nrwiersma_scape_module_types_UI is an interface wrapper for UI type
-type _github_com_nrwiersma_scape_module_types_UI struct {
-	WBind     func(name string, fun interface{}) error
-	WEval     func(cmd string, ctx []interface{}) (interface{}, error)
-	WLoadCSS  func(css string) error
-	WLoadHTML func(html string) error
-}
-
-func (W _github_com_nrwiersma_scape_module_types_UI) Bind(name string, fun interface{}) error {
-	return W.WBind(name, fun)
-}
-func (W _github_com_nrwiersma_scape_module_types_UI) Eval(cmd string, ctx []interface{}) (interface{}, error) {
-	return W.WEval(cmd, ctx)
-}
-func (W _github_com_nrwiersma_scape_module_types_UI) LoadCSS(css string) error {
-	return W.WLoadCSS(css)
-}
-func (W _github_com_nrwiersma_scape_module_types_UI) LoadHTML(html string) error {
-	return W.WLoadHTML(html)
-}