Handle "no data" case in ranger calcs and avoid crashes

2022-02-28 07:40:02 -05:00 · 2022-02-28 07:40:02 -05:00 · 6f3d78b729
parent 3e7d4f8717
commit 6f3d78b729
1 changed files with 1 additions and 0 deletions
--- a/piker/ui/_display.py
+++ b/piker/ui/_display.py
@ -93,6 +93,7 @@ def chart_maxmin(
    if not in_view.size:
        log.warning('Resetting chart to data')
        chart.default_view()
+        return (last_bars_range, 0, 0, 0)

    mx, mn = np.nanmax(in_view['high']), np.nanmin(in_view['low'])