title: Scapy Error "No module named all'
body: <p>I am using </p>
  
  <p><code>from scapy.all import *</code> , but then appear error "No module named all".</p>
  
  <p><code>from scapy import all</code> , didn`t fix the problem. </p>
  
  <p>Why system can`t find those module? </p>