Skander Haddad

Function tokenize not found in syllable_tokenizer.py file The problem was in featurize function. i think tokenize should be replaced by syllables in the notebook file

**Issue Description:** I encountered an issue where I'm receiving an "Application Error" with the message "Unexpected Server Error" when attempting to load multiple JSONs in one file or a list...

# resolves https://github.com/keras-team/keras-io/issues/1518 and https://github.com/keras-team/keras-io/issues/1526 # Issue: https://github.com/keras-team/keras-io/issues/1518 (AttributeError: 'DataFrame' object has no attribute 'append') # Description This pull request addresses issues https://github.com/keras-team/keras-io/issues/1518 and https://github.com/keras-team/keras-io/issues/1526 by replacing the append function...