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training cluster Tornado Compatibility #29

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mkhazen opened this issue Apr 3, 2020 · 0 comments
Open

training cluster Tornado Compatibility #29

mkhazen opened this issue Apr 3, 2020 · 0 comments

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@mkhazen
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mkhazen commented Apr 3, 2020

When setting up the training cluster following step by step guidelines with Spark runtime 3.7 running databricks 6.4 (includes Apache Spark 2.4.5, Scala 2.11)
get the following error
File "/databricks/python/lib/python3.7/site-packages/IPython/nbconvert/postprocessors/serve.py", line 31, in ProxyHandler
@web.asynchronous
AttributeError: module 'tornado.web' has no attribute 'asynchronous'

It seems we need to reinstall nbconvert and tornado to an older version?

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