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Thomas B
ac3e6e3944
Fixes (not reported) an error that may occur in some cases in the
RecursiveCharacterTextSplitter.
An empty `new_separators` array ([]) would end up in the else path of
the condition below and used in a function where it is expected to be
non empty.
```python
if new_separators is None:
...
else:
# _split_text() expects this array to be non-empty!
other_info = self._split_text(s, new_separators)
```
resulting in an `IndexError`
```python
def _split_text(self, text: str, separators: List[str]) -> List[str]:
"""Split incoming text and return chunks."""
final_chunks = []
# Get appropriate separator to use
> separator = separators[-1]
E IndexError: list index out of range
langchain/text_splitter.py:425: IndexError
```
#### Who can review?
@hwchase17 @eyurtsev
---------
Co-authored-by: Harrison Chase <hw.chase.17@gmail.com>