res

from __future__ import print_function, division
import os
import torch
import torch.nn as nn
import torchvision
from torch.autograd import Variable
import pandas as pd
from skimage import io, transform
import numpy as np
import matplotlib.pyplot as plt
from torch.utils.data import Dataset, DataLoader
from torchvision import transforms, utils



# Ignore warnings
import warnings
warnings.filterwarnings("ignore")

plt.ion()   # interactive mode
%matplotlib inline

def show_landmarks(image, landmarks):
    """Show image with landmarks"""
    plt.imshow(image)
    plt.scatter(landmarks[:, 0], landmarks[:, 1], s=10, marker='.', c='r')
    plt.pause(0.001)  # pause a bit so that plots are updated

print("img_name: ", img_name)
plt.figure()
show_landmarks(io.imread(img_name), landmarks)
plt.show()
----------------------------------
img_name:  faces/person-7.jpg

---------------------------------------------------------------------------
ValueError                                Traceback (most recent call last)
<ipython-input-39-bd76f4283ec3> in <module>
      7 print("img_name: ", img_name)
      8 plt.figure()
----> 9 show_landmarks(io.imread(img_name), landmarks)
     10 plt.show()

~/anaconda3/lib/python3.7/site-packages/skimage/io/_io.py in imread(fname, as_gray, plugin, **plugin_args)
     46
     47     with file_or_url_context(fname) as fname:
---> 48         img = call_plugin('imread', fname, plugin=plugin, **plugin_args)
     49
     50     if not hasattr(img, 'ndim'):

~/anaconda3/lib/python3.7/site-packages/skimage/io/manage_plugins.py in call_plugin(kind, *args, **kwargs)
    207                                (plugin, kind))
    208
--> 209     return func(*args, **kwargs)
    210
    211

~/anaconda3/lib/python3.7/site-packages/skimage/io/_plugins/imageio_plugin.py in imread(*args, **kwargs)
      8 @wraps(imageio_imread)
      9 def imread(*args, **kwargs):
---> 10     return np.asarray(imageio_imread(*args, **kwargs))

~/anaconda3/lib/python3.7/site-packages/imageio/core/functions.py in imread(uri, format, **kwargs)
    263
    264     # Get reader and read first
--> 265     reader = read(uri, format, "i", **kwargs)
    266     with reader:
    267         return reader.get_data(0)

~/anaconda3/lib/python3.7/site-packages/imageio/core/functions.py in get_reader(uri, format, mode, **kwargs)
    180         modename = MODENAMES.get(mode, mode)
    181         raise ValueError(
--> 182             "Could not find a format to read the specified file in %s mode" % modename
    183         )
    184

ValueError: Could not find a format to read the specified file in single-image mode

<Figure size 432x288 with 0 Axes>