使用 pip install pillow 安裝了 PIL 后，在 python from PIL import Image 正常，運行如下代碼異常，經(jīng)過調(diào)試是在調(diào)用 save 方法是報錯的:

from PIL import Image

img = Image.open(fileName+'.eps')
img.save(fileName+'.png')

有誰知道怎么辦不？（sprio.py 是我自己的文件）

具體報錯：

Exception in Tkinter callback
Traceback (most recent call last):
  File "C:\Users\lenovo\AppData\Local\Programs\Python\Python36\lib\tkinter\__init__.py", line 1699, in __call__
    return self.func(*args)
  File "C:\Users\lenovo\AppData\Local\Programs\Python\Python36\lib\turtle.py", line 686, in eventfun
    fun()
  File "D:/python_workspace/MachineStudy/jike_project/ch02/spiro.py", line 183, in saveDrawing
    img.save('11.png')
  File "C:\Users\lenovo\AppData\Local\Programs\Python\Python36\lib\site-packages\PIL\Image.py", line 1897, in save
    self.load()
  File "C:\Users\lenovo\AppData\Local\Programs\Python\Python36\lib\site-packages\PIL\EpsImagePlugin.py", line 337, in load
    self.im = Ghostscript(self.tile, self.size, self.fp, scale)
  File "C:\Users\lenovo\AppData\Local\Programs\Python\Python36\lib\site-packages\PIL\EpsImagePlugin.py", line 137, in Ghostscript
    raise WindowsError('Unable to locate Ghostscript on paths')
OSError: Unable to locate Ghostscript on paths