谁能告诉我这是怎么回事，我用的anaconda，不知道里面有没有自带pillow，我不知道运行那个界面，然后在那个界面输入sudo easy_install pip，一头雾水，我感觉我上面有pillow这个包，不然调用都会提示错误，可运行出来不是想要的结果怎么办？？？求助各位了？？

 runfile('D:/pythondirectory/Myproject01/piao/aa.py', wdir='D:/pythondirectory/Myproject01/piao')
PNG (1339, 4884) RGB
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "D:\Users\win\Anaconda3\lib\site-packages\spyderlib\widgets\externalshell\sitecustomize.py", line 685, in runfile
    execfile(filename, namespace)
  File "D:\Users\win\Anaconda3\lib\site-packages\spyderlib\widgets\externalshell\sitecustomize.py", line 85, in execfile
    exec(compile(open(filename, 'rb').read(), filename, 'exec'), namespace)
  File "D:/pythondirectory/Myproject01/piao/aa.py", line 10, in <module>
    im.thumbnall((200,100))
  File "D:\Users\win\Anaconda3\lib\site-packages\PIL\Image.py", line 622, in __getattr__
    raise AttributeError(name)
AttributeError: thumbnall
>>> runfile('D:/pythondirectory/Myproject01/piao/aa.py', wdir='D:/pythondirectory/Myproject01/piao')
PNG (1339, 4884) RGB
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "D:\Users\win\Anaconda3\lib\site-packages\spyderlib\widgets\externalshell\sitecustomize.py", line 685, in runfile
    execfile(filename, namespace)
  File "D:\Users\win\Anaconda3\lib\site-packages\spyderlib\widgets\externalshell\sitecustomize.py", line 85, in execfile
    exec(compile(open(filename, 'rb').read(), filename, 'exec'), namespace)
  File "D:/pythondirectory/Myproject01/piao/aa.py", line 10, in <module>
    im.thumbnall((200,100))
  File "D:\Users\win\Anaconda3\lib\site-packages\PIL\Image.py", line 622, in __getattr__
    raise AttributeError(name)
AttributeError: thumbnall