WindowsError: [Error 3]

i got a problem as follows:
WindowsError Traceback (most recent call last)
in ()
2 # Grab a few images at a time for training and validation.
3 # NB: They must be in subdirectories named based on their category
----> 4 batches = vgg.get_batches(path+‘train’, batch_size=batch_size)
5 val_batches = vgg.get_batches(path+‘valid’, batch_size=batch_size*2)
6 vgg.finetune(batches)

C:\Users\win10\Desktop\deeplearning1\nbs\vgg16.pyc in get_batches(self, path, gen, shuffle, batch_size, class_mode)
85 def get_batches(self, path, gen=image.ImageDataGenerator(), shuffle=True, batch_size=8, class_mode=‘categorical’):
86 return gen.flow_from_directory(path, target_size=(224,224),
—> 87 class_mode=class_mode, shuffle=shuffle, batch_size=batch_size)
88
89

e:\Users\win10\Anaconda2\lib\site-packages\keras\preprocessing\image.pyc in flow_from_directory(self, directory, target_size, color_mode, classes, class_mode, batch_size, shuffle, seed, save_to_dir, save_prefix, save_format, follow_links)
444 save_prefix=save_prefix,
445 save_format=save_format,
–> 446 follow_links=follow_links)
447
448 def standardize(self, x):

e:\Users\win10\Anaconda2\lib\site-packages\keras\preprocessing\image.pyc in init(self, directory, image_data_generator, target_size, color_mode, dim_ordering, classes, class_mode, batch_size, shuffle, seed, save_to_dir, save_prefix, save_format, follow_links)
775 if not classes:
776 classes = []
–> 777 for subdir in sorted(os.listdir(directory)):
778 if os.path.isdir(os.path.join(directory, subdir)):
779 classes.append(subdir)

WindowsError: [Error 3] : 'data/dogscats/sample/train/.'
it seems like that the windows can not find the path of my dataset. Where should i put my dogscats folder? PLZ help me

I watched the video again and suddenly realised it should be put under the nbs…Whatever, i fixed it myself