title: AttributeError: module 'serial' has no attribute 'Serial'
body: <pre><code>from serial import serial
  joystick = serial.Serial("COM3", 9600)
  joystick_x = joystick.write('0')
  if joystick_x==1023:
      print("Right")
  elif joystick_x != 1023:
      print("Not right");
  </code></pre>
  
  <p>and I received error message:</p>
  
  <pre><code>Traceback (most recent call last):
    File "C:/Users/Mine_science/Desktop/snu6/산출물/arduino.py", line 1, in &lt;module&gt;
      from serial import serial
    File "C:\Users\Mine_science\AppData\Local\Programs\Python\Python35\lib\site-packages\serial\serial\__init__.py", line 13, in &lt;module&gt;
      from serial.serialutil import *
  ImportError: No module named 'serial.serialutil'
  </code></pre>
  
  <p>also Can you give me some advices to get each pin.</p>