You need to convert the PIL image to torch.Tensor. You can do this using torchvision.transforms.ToTensor, like this:
from PIL import Image
from torchvision.transforms import ToTensor

img_path="/data/v_PlayingSitar_g25_c04_0256.jpeg"
image = Image.open(img_path)
image = ToTensor()(image).unsqueeze(0) # unsqueeze to add artificial first dimension
image = Variable(image)

You can find much more information in the tutorials:
http://pytorch.org/tutorials/ 205
Here’s one specifically about data loading:
http://pytorch.org/tutorials/beginner/data_loading_tutorial.html#sphx-glr-beginner-data-loading-tutorial-py 302