Xlsx Chart Sheet Crash

[Tim-Kracht]

Receive an error opening a chart sheet:

use calamine::{open_workbook, Reader, Xlsx};

fn main() {
    let mut workbook: Xlsx<_> = open_workbook("chart.xlsx").expect("could not open workbook");
    let range = workbook
        .worksheet_range("Chart1")
        .expect("could not open worksheet range");
}

thread 'main' panicked at examples/bug_235.rs:7:10:
could not open worksheet range: XmlEof("sheetData")
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

chart.xlsx