langchain/text_splitter.py/PythonCodeTextSplitter/__init__
class PythonCodeTextSplitter:    def __init__(self, **kwargs: Any):
        """Initialize a PythonCodeTextSplitter."""
        separators = [
            # First, try to split along class definitions
            "\nclass ",
            "\ndef ",
            "\n\tdef ",
            # Now split by the normal type of lines
            "\n\n",
            "\n",
            " ",
            "",
        ]
        super().__init__(separators=separators, **kwargs)