Restore reset to Bayes animation example.

QuLogic · QuLogic · commit 80bac99ebdff · 2020-02-14T19:14:28.000-05:00
Once the animation rolls around, it has iteration count &lt; success count,
which is nonsensical, and produces math domain errors.
diff --git a/examples/animation/bayes_update.py b/examples/animation/bayes_update.py
@@ -41,6 +41,10 @@ def __init__(self, ax, prob=0.5):
     def __call__(self, i):
         # This way the plot can continuously run and we just keep
         # watching new realizations of the process
+        if i == 0:
+            self.success = 0
+            self.line.set_data([], [])
+            return self.line,
 
         # Choose success based on exceed a threshold with a uniform pick
         if np.random.rand(1,) < self.prob:
