Facepalm, get the first x value not the array..

2022-06-22 18:53:48 -04:00 · 2022-06-22 18:53:48 -04:00 · afc95b8592
parent 14c98d82ee
commit afc95b8592
1 changed files with 3 additions and 1 deletions
--- a/piker/ui/_flows.py
+++ b/piker/ui/_flows.py
@ -753,7 +753,9 @@ class Flow(msgspec.Struct):  # , frozen=True):
            try:
                iuppx = x[-uppx]
            except IndexError:
-                iuppx = x
+                # we're less then an x-px wide so just grab the start
+                # datum index.
+                iuppx = x[0]

            dsg._last_line = QLineF(
                iuppx, ymn,