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arviz-devs · Dec 19, 2024 · 2a286cd · 2a286cd
1 parent 64a02b5
commit 2a286cd
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/arviz/stats/diagnostics.py b/arviz/stats/diagnostics.py
@@ -744,7 +744,7 @@ def _ess_sd(ary, relative=False):
     ary = np.asarray(ary)
     if _not_valid(ary, shape_kwargs=dict(min_draws=4, min_chains=1)):
         return np.nan
-    ary = (ary - ary.mean())**2
+    ary = (ary - ary.mean()) ** 2
     return _ess(_split_chains(ary), relative=relative)