fix

lib/Types/PathType.ts

@@ -13,6 +13,10 @@ export class PathType extends TypeValidation {
     return 'string';
   }
 
+  public get persistent_type (): 'string'|'number'|'boolean'|'array' {
+    return 'string';
+  }
+
   public async to_type (value: unknown): Promise<unknown> {
     if (typeof value !== 'string')
       throw new Error (`invalid type for ${this.option_type}`);