avoid pandas deprecation

PSLmodels · Jan 31, 2024 · 5337ce0 · 5337ce0
1 parent e0f9b85
commit 5337ce0
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/iot/inverse_optimal_tax.py b/iot/inverse_optimal_tax.py
@@ -135,7 +135,7 @@ def compute_mtr_dist(
         )
         binned_data = pd.DataFrame(
             data[["mtr", income_measure, "z_bin", weight_var]]
-            .groupby(["z_bin"])
+            .groupby(["z_bin"], observed=False)
             .apply(lambda x: wm(x[["mtr", income_measure]], x[weight_var]))
         )
         # make column 0 into two columns