Simple Flask App Using Spacy Nlp Hangs Intermittently

I'm working on a simple Flask app that will eventually turn into a simple REST API for doing named entity recognition using spaCy on a given text string. I have a simple prototype

Solution 1:

This appears to be a known issue in Spacy v2.0. The issue went away after I downgraded to Spacy v1.9.

For more details, see:

https://github.com/explosion/spaCy/issues/1571

and

https://github.com/explosion/spaCy/issues/1572

Solution 2:

Try forcing the user of the main Python interpreter context as explained in:

• http://modwsgi.readthedocs.io/en/develop/user-guides/application-issues.html#python-simplified-gil-state-api

Some third party C extension modules in Python don't work properly in sub interpreters and can hang or crash the process.

Solution 3:

Had the same problem with Django, downgrading to 1.10.0 solved the issue