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Avoid null index race-error during startup

py3.10_support
Tyler Goodlet 2022-02-07 08:47:03 -05:00
parent 999d3efdd7
commit 1aaa382036
1 changed files with 6 additions and 5 deletions
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piker/ui/_cursor.py
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@ -109,6 +109,7 @@ class LineDot(pg.CurvePoint):
# first = self._plot._arrays['ohlc'][0]['index'] # first = self._plot._arrays['ohlc'][0]['index']
# first = x[0] # first = x[0]
# i = index - first # i = index - first
if index:
i = index - x[0] i = index - x[0]
if i > 0 and i < len(y): if i > 0 and i < len(y):
newPos = (index, y[i]) newPos = (index, y[i])