def insert_comment(buf, (row, col), depth=1):
    row, col = find_thread_end(buf, (row, col))
    return inject_comment(buf, (row, col), depth=depth)
Inserts a comment of depth `depth` at the end of the current thread (if
dataset/ETHPy150Open hut8labs/diffscuss/diffscuss/support/editor.py/insert_comment