Created the imageSession variable in resource_vm_template

one/resource_vm_template.go

@@ -126,6 +126,7 @@ func resourceVMTemplate() *schema.Resource {
 }
 
 func resourceVMTemplateCreate(d *schema.ResourceData, m interface{}) error {
+	imageSession := m.(*Client).ImageSession
 	err := resourceVMTemplateRead(d, m)
 	if err != nil {
 		return err