Why I meet ValueError: empty range for randrange() (0,-127, -127)?

[abc8350712]

model [CycleGANModel] was created
create web directory ./checkpoints/maps_cyclegan/web...
Traceback (most recent call last):
File "train.py", line 21, in
for i, data in enumerate(dataset):
File "/home/moon/pytorch-CycleGAN-and-pix2pix-master/data/custom_dataset_data_loader.py", line 44, in iter
for i, data in enumerate(self.dataloader):
File "/home/moon/miniconda2/lib/python2.7/site-packages/torch/utils/data/dataloader.py", line 210, in next
return self._process_next_batch(batch)
File "/home/moon/miniconda2/lib/python2.7/site-packages/torch/utils/data/dataloader.py", line 230, in _process_next_batch
raise batch.exc_type(batch.exc_msg)
ValueError: Traceback (most recent call last):
File "/home/moon/miniconda2/lib/python2.7/site-packages/torch/utils/data/dataloader.py", line 42, in _worker_loop
samples = collate_fn([dataset[i] for i in batch_indices])
File "/home/moon/pytorch-CycleGAN-and-pix2pix-master/data/unaligned_dataset.py", line 37, in getitem
A = self.transform(A_img)
File "/home/moon/miniconda2/lib/python2.7/site-packages/torchvision-0.2.0-py2.7.egg/torchvision/transforms/transforms.py", line 42, in call
img = t(img)
File "/home/moon/miniconda2/lib/python2.7/site-packages/torchvision-0.2.0-py2.7.egg/torchvision/transforms/transforms.py", line 286, in call
i, j, h, w = self.get_params(img, self.size)
File "/home/moon/miniconda2/lib/python2.7/site-packages/torchvision-0.2.0-py2.7.egg/torchvision/transforms/transforms.py", line 271, in get_params
i = random.randint(0, h - th)
File "/home/moon/miniconda2/lib/python2.7/random.py", line 244, in randint
return self.randrange(a, b+1)
File "/home/moon/miniconda2/lib/python2.7/random.py", line 220, in randrange
raise ValueError, "empty range for randrange() (%d,%d, %d)" % (istart, istop, width)
ValueError: empty range for randrange() (0,-127, -127)

Thanks in advance.

[junyanz]

It might be related to the data loader. Could you try --loadSize 143 --fineSize 128 --which_model_G resnet_6blocks?

[abc8350712]

Thanks,But i meet another problem..

Traceback (most recent call last):
  File "/home/moon/miniconda2/lib/python2.7/site-packages/visdom/__init__.py", line 261, in _send
    data=json.dumps(msg),
  File "/home/moon/miniconda2/lib/python2.7/site-packages/requests/api.py", line 112, in post
    return request('post', url, data=data, json=json, **kwargs)
  File "/home/moon/miniconda2/lib/python2.7/site-packages/requests/api.py", line 58, in request
    return session.request(method=method, url=url, **kwargs)
  File "/home/moon/miniconda2/lib/python2.7/site-packages/requests/sessions.py", line 508, in request
    resp = self.send(prep, **send_kwargs)
  File "/home/moon/miniconda2/lib/python2.7/site-packages/requests/sessions.py", line 618, in send
    r = adapter.send(request, **kwargs)
  File "/home/moon/miniconda2/lib/python2.7/site-packages/requests/adapters.py", line 508, in send
    raise ConnectionError(e, request=request)
ConnectionError: HTTPConnectionPool(host='localhost', port=8097): Max retries exceeded with url: /events (Caused by NewConnectionError(': Failed to establish a new connection: [Errno 111] Connection refused',))
Exception in user code:
------------------------------------------------------------
Traceback (most recent call last):
  File "/home/moon/miniconda2/lib/python2.7/site-packages/visdom/__init__.py", line 261, in _send
    data=json.dumps(msg),
  File "/home/moon/miniconda2/lib/python2.7/site-packages/requests/api.py", line 112, in post
    return request('post', url, data=data, json=json, **kwargs)
  File "/home/moon/miniconda2/lib/python2.7/site-packages/requests/api.py", line 58, in request
    return session.request(method=method, url=url, **kwargs)
  File "/home/moon/miniconda2/lib/python2.7/site-packages/requests/sessions.py", line 508, in request
    resp = self.send(prep, **send_kwargs)
  File "/home/moon/miniconda2/lib/python2.7/site-packages/requests/sessions.py", line 618, in send
    r = adapter.send(request, **kwargs)
  File "/home/moon/miniconda2/lib/python2.7/site-packages/requests/adapters.py", line 508, in send
    raise ConnectionError(e, request=request)
ConnectionError: HTTPConnectionPool(host='localhost', port=8097): Max retries exceeded with url: /events (Caused by NewConnectionError(': Failed to establish a new connection: [Errno 111] Connection refused',))
Exception in user code:
------------------------------------------------------------
Traceback (most recent call last):
  File "/home/moon/miniconda2/lib/python2.7/site-packages/visdom/__init__.py", line 261, in _send
    data=json.dumps(msg),
  File "/home/moon/miniconda2/lib/python2.7/site-packages/requests/api.py", line 112, in post
    return request('post', url, data=data, json=json, **kwargs)
  File "/home/moon/miniconda2/lib/python2.7/site-packages/requests/api.py", line 58, in request
    return session.request(method=method, url=url, **kwargs)
  File "/home/moon/miniconda2/lib/python2.7/site-packages/requests/sessions.py", line 508, in request
    resp = self.send(prep, **send_kwargs)
  File "/home/moon/miniconda2/lib/python2.7/site-packages/requests/sessions.py", line 618, in send
    r = adapter.send(request, **kwargs)
  File "/home/moon/miniconda2/lib/python2.7/site-packages/requests/adapters.py", line 508, in send
    raise ConnectionError(e, request=request)
ConnectionError: HTTPConnectionPool(host='localhost', port=8097): Max retries exceeded with url: /events (Caused by NewConnectionError(': Failed to establish a new connection: [Errno 111] Connection refused',))
(epoch: 1, iters: 200, time: 0.231) D_A: 0.278 G_A: 0.306 Cyc_A: 1.762 D_B: 0.362 G_B: 0.131 Cyc_B: 2.103 idt_A: 1.058 idt_B: 0.807 
Exception in user code:
------------------------------------------------------------
Traceback (most recent call last):
  File "/home/moon/miniconda2/lib/python2.7/site-packages/visdom/__init__.py", line 261, in _send
    data=json.dumps(msg),
  File "/home/moon/miniconda2/lib/python2.7/site-packages/requests/api.py", line 112, in post
    return request('post', url, data=data, json=json, **kwargs)
  File "/home/moon/miniconda2/lib/python2.7/site-packages/requests/api.py", line 58, in request
    return session.request(method=method, url=url, **kwargs)
  File "/home/moon/miniconda2/lib/python2.7/site-packages/requests/sessions.py", line 508, in request
    resp = self.send(prep, **send_kwargs)
  File "/home/moon/miniconda2/lib/python2.7/site-packages/requests/sessions.py", line 618, in send
    r = adapter.send(request, **kwargs)
  File "/home/moon/miniconda2/lib/python2.7/site-packages/requests/adapters.py", line 508, in send
    raise ConnectionError(e, request=request)
ConnectionError: HTTPConnectionPool(host='localhost', port=8097): Max retries exceeded with url: /events (Caused by NewConnectionError(': Failed to establish a new connection: [Errno 111] Connection refused',))

[junyanz]

This is related to visdom. See this post for the fix.

[abc8350712]

It's awesome!!
Thank you!!
@junyanz