full fix

pyhf · Jan 3, 2023 · e8f6e58 · e8f6e58
1 parent 2a99f5d
commit e8f6e58
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/scripts/validate_systs.py b/scripts/validate_systs.py
@@ -311,7 +311,8 @@ def outlier_plot(signal_template, v_max, x_var, y_var, x_label, y_label):
                 rel_systs[:, jbin] != 0
             ]  # Remove any points with zero relative syst
 
-            if len(rel_systs) > 0:
+            # qhull interpolation needs at least 4 points minimum
+            if len(rel_systs) >= 4:
                 z = scipy.interpolate.griddata(
                     rel_systs[:, :2], rel_systs[:, jbin], (x, y)
                 )