Trying to run simple PIL python example, can't convert jpeg to float

Question

so I wrote a simple python script

from PIL import Image
from pylab import *
im = array(Image.open(\'sample.jpg\'))
imshow(im)

and i get this er

Answer 1

Try this

>>> import matplotlib.pyplot as plt
>>> plt.imshow(im.reshape(im.shape[0], im.shape[1]), cmap=plt.cm.Greys)