From 41f3df570ee4528481cf93c1b8d1bdfcbee91688 Mon Sep 17 00:00:00 2001
From: satsbaba <106560507+satsbaba@users.noreply.github.com>
Date: Fri, 1 Jul 2022 16:48:17 +0200
Subject: [PATCH] Hotfix for weighted median premium (#180)

* hotfix for empty array handling
---
 api/utils.py | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/api/utils.py b/api/utils.py
index 816a8159..355dd77b 100644
--- a/api/utils.py
+++ b/api/utils.py
@@ -185,10 +185,11 @@ def compute_avg_premium(queryset):
     total_volume = sum(volumes)
 
     # weighted_median_premium is the weighted median of the premiums by volume
-
-    weighted_median_premium = weighted_median(values=premiums,
-                                sample_weight=volumes,
-                                quantiles=0.5,
-                                values_sorted=False)
-
+    if len(premiums) > 0 and len(volumes)>0:
+        weighted_median_premium = weighted_median(values=premiums,
+                                    sample_weight=volumes,
+                                    quantiles=0.5,
+                                    values_sorted=False)
+    else:
+        weighted_median_premium = 0.0
     return weighted_median_premium, total_volume