From 791b1ccf1a9aa42415e5837dcddf4fbf43622925 Mon Sep 17 00:00:00 2001
From: Sean Wallace <wallace@econw.com>
Date: Wed, 30 Aug 2023 15:54:22 -0400
Subject: [PATCH] Get rid of pandas warning

---
 choicemodels/tools/simulation.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/choicemodels/tools/simulation.py b/choicemodels/tools/simulation.py
index 3040167..1652ed3 100644
--- a/choicemodels/tools/simulation.py
+++ b/choicemodels/tools/simulation.py
@@ -176,7 +176,7 @@ def iterative_lottery_choices(
     capacity, size = (alt_capacity, chooser_size)
     
     len_choosers = len(choosers)
-    valid_choices = pd.Series()
+    valid_choices = pd.Series(dtype='float64')
     iter = 0
     
     while (len(valid_choices) < len_choosers):