fix(core): update

ts/00_commitinfo_data.ts

@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@push.rocks/smartstream',
-  version: '3.0.9',
+  version: '3.0.10',
   description: 'simplifies access to node streams'
 }

ts/smartstream.classes.smartduplex.ts

@@ -170,8 +170,8 @@ export class SmartDuplex<TInput = any, TOutput = any> extends Duplex {
         callback(err);
       }
     } else {
-      this.push(null),
       callback();
     }
+    this.push(null);
   }
 }