Error when running Python Visualisation Script in Power BI Service

Hi all,

I have built a Python visualisation script in Power BI Desktop which performs the following steps:

• Accepts an URL for an image in the dataset dataframe
• Retrieves the image from the external URL via an image reformatting service called rethumb.com
• Modifies the image
• Displays the image within the visualisation

This works perfectly in Power BI Desktop but when I upload the PBIX to Power BI Service I get the following error.

 Traceback (most recent call last):
 
 File "C:\Script\0.py", line 35, in <module>
 
 img = mpimg.imread('https://api.rethumb.com/v1/width/900/format/png/'+dataset.iloc[0].R_CoverImage)
 
 File "C:\Python\lib\site-packages\matplotlib\image.py", line 1363, in imread
 
 fd = BytesIO(urllib.request.urlopen(fname).read())
 
 File "C:\Python\Lib\urllib\request.py", line 222, in urlopen
 
 return opener.open(url, data, timeout)
 
 File "C:\Python\Lib\urllib\request.py", line 525, in open
 
 response = self._open(req, data)
 
 File "C:\Python\Lib\urllib\request.py", line 543, in _open
 
 '_open', req)
 
 File "C:\Python\Lib\urllib\request.py", line 503, in _call_chain
 
 result = func(*args)
 
 File "C:\Python\Lib\urllib\request.py", line 1360, in https_open
 
 context=self._context, check_hostname=self._check_hostname)
 
 File "C:\Python\Lib\urllib\request.py", line 1319, in do_open
 
 raise URLError(err)
 
 urllib.error.URLError: <urlopen error [Errno 11001] getaddrinfo failed>
 
 
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My Google searches suggest that the error is caused by the hostname not being resolved so I'm guessing that the scripting engine within Power BI service does not have access to a DNS to complete the request.

Can anyone confirm this or suggest a walkaround?

Thanks,

Michael