[LIVY-795] Can't work with PySpark with Python >= 3.8 due to https://bugs.python.org/issue35894

• Type: Bug
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 0.7.0
• Fix Version/s: 0.8.0
• Component/s: REPL
• Labels: easyfix
• Environment: EMR 6.1.0
• Assignee: Unassigned
• Reporter: Shiquan Wang
• Created: 08/Oct/20 18:12
• Updated: 27/Dec/22 05:58
• Resolved: 27/Dec/22 05:58

Description

 

When working with PySpark with Python >= 3.8, below error is raised:

TypeError: required field "type_ignores" missing from Module

The error points to code in https://github.com/apache/incubator-livy/blob/4d8a912699683b973eee76d4e91447d769a0cb0d/repl/src/main/resources/fake_shell.py#L223

 

The error is caused by an API change in Python 3.8: https://github.com/python/cpython/pull/11645/files and was reported here https://bugs.python.org/issue35894

IPython has faced similar issue: https://github.com/ipython/ipython/issues/11590

IPython solved the issue in this PR: https://github.com/ipython/ipython/pull/11593