'Handler' object has no attribute 'append'#
AttributeError: 'Handler' object has no attribute 'append'
Issue: You're trying to use the
append() method with an old version of the Neptune client library (neptune-client).
In versions older than
log() is available for logging values as a series.
Solution: Upgrade your Neptune client library version:
To determine your currently installed version of Neptune:
Workaround: If you don't want to upgrade your Neptune client, you can still use
log() instead of
To help locate the problem in your code, try initializing Neptune in synchronous mode: