Backport PR #24774: DOC: fix strip_chart example with numpy 1.24

ksunden · meeseeksmachine · commit aea85f7bd2de · 2022-12-19T18:54:26.000Z
diff --git a/examples/animation/strip_chart.py b/examples/animation/strip_chart.py
@@ -37,7 +37,7 @@ def update(self, y):
         t = self.tdata[0] + len(self.tdata) * self.dt
 
         self.tdata.append(t)
-        self.ydata.append(y)
+        self.ydata.append(float(y))
         self.line.set_data(self.tdata, self.ydata)
         return self.line,
 
