# Model drop-down in Nvidia AIAA is empty

**URL:** <https://discourse.slicer.org/t/model-drop-down-in-nvidia-aiaa-is-empty/9812>\
**Category:** Support\
**Created:** [January 14, 2020, 5:17pm UTC](https://discourse.slicer.org/t/model-drop-down-in-nvidia-aiaa-is-empty/9812 "2020-01-14T17:17:52Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Apex](https://avatars.discourse-cdn.com/v4/letter/a/e56c9b/32.png) [@Apex](https://discourse.slicer.org/u/Apex)\
**Post date:** [January 14, 2020, 5:17pm UTC](https://discourse.slicer.org/t/model-drop-down-in-nvidia-aiaa-is-empty/9812/1 "2020-01-14T17:17:52Z")

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Operating system:Windows  
Slicer version:4.11.0  
Expected behavior: Model drop-down should contain organ segmentation in Nvidia AIAA  
Actual behavior: Model drop-down in Nvidia AIAA is empty.

Error:  
Traceback (most recent call last):  
File “C:/Users/John/AppData/Roaming/NA-MIC/Extensions-28723/NvidiaAIAssistedAnnotation/lib/Slicer-4.11/qt-scripted-modules/SegmentEditorNvidiaAIAALib/SegmentEditorEffect.py”, line 164, in onClickFetchModels  
models = self.logic.list\_models(self.ui.modelFilterLabelLineEdit.text)  
File “C:/Users/John/AppData/Roaming/NA-MIC/Extensions-28723/NvidiaAIAssistedAnnotation/lib/Slicer-4.11/qt-scripted-modules/SegmentEditorNvidiaAIAALib/SegmentEditorEffect.py”, line 692, in list\_models  
result = self.aiaaClient.model\_list(label)  
File “C:\Users\John\AppData\Roaming\NA-MIC\Extensions-28723\NvidiaAIAssistedAnnotation\lib\Slicer-4.11\qt-scripted-modules\NvidiaAIAAClientAPI\client\_api.py”, line 107, in model\_list  
response = AIAAUtils.http\_get\_method(self.server\_url, selector)  
File “C:\Users\John\AppData\Roaming\NA-MIC\Extensions-28723\NvidiaAIAssistedAnnotation\lib\Slicer-4.11\qt-scripted-modules\NvidiaAIAAClientAPI\client\_api.py”, line 404, in http\_get\_method  
conn.request(‘GET’, selector)  
File “C:\Users\John\AppData\Local\NA-MIC\Slicer 4.11.0-2020-01-08\lib\Python\Lib\http\client.py”, line 1239, in request  
self.\_send\_request(method, url, body, headers, encode\_chunked)  
File “C:\Users\John\AppData\Local\NA-MIC\Slicer 4.11.0-2020-01-08\lib\Python\Lib\http\client.py”, line 1285, in \_send\_request  
self.endheaders(body, encode\_chunked=encode\_chunked)  
File “C:\Users\John\AppData\Local\NA-MIC\Slicer 4.11.0-2020-01-08\lib\Python\Lib\http\client.py”, line 1234, in endheaders  
self.\_send\_output(message\_body, encode\_chunked=encode\_chunked)  
File “C:\Users\John\AppData\Local\NA-MIC\Slicer 4.11.0-2020-01-08\lib\Python\Lib\http\client.py”, line 1026, in \_send\_output  
self.send(msg)  
File “C:\Users\John\AppData\Local\NA-MIC\Slicer 4.11.0-2020-01-08\lib\Python\Lib\http\client.py”, line 964, in send  
self.connect()  
File “C:\Users\John\AppData\Local\NA-MIC\Slicer 4.11.0-2020-01-08\lib\Python\Lib\http\client.py”, line 936, in connect  
(self.host,self.port), self.timeout, self.source\_address)  
File “C:\Users\John\AppData\Local\NA-MIC\Slicer 4.11.0-2020-01-08\lib\Python\Lib\socket.py”, line 724, in create\_connection  
raise err  
File “C:\Users\John\AppData\Local\NA-MIC\Slicer 4.11.0-2020-01-08\lib\Python\Lib\socket.py”, line 713, in create\_connection  
sock.connect(sa)  
TimeoutError: [WinError 10060] A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond

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**Author:** ![lassoan](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/lassoan/32/13_2.png) [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Post date:** [January 14, 2020, 8:53pm UTC](https://discourse.slicer.org/t/model-drop-down-in-nvidia-aiaa-is-empty/9812/2 "2020-01-14T20:53:11Z")

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The segmentation server is up, so if the server is not responding then there is either a network issue (too aggressive firewall, etc.) or you have entered a custom address in Models / NVidia AIAA server (to use the default server, leave the field empty).