From 1e384bcece1b9f0f830bfb3e647cff787db97f34 Mon Sep 17 00:00:00 2001
From: HNHalstead <47102761+HNHalstead@users.noreply.github.com>
Date: Thu, 24 Aug 2023 10:46:07 -0700
Subject: [PATCH] Update task_waphl_utils.wdl

---
 tasks/utilities/task_waphl_utils.wdl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tasks/utilities/task_waphl_utils.wdl b/tasks/utilities/task_waphl_utils.wdl
index 3d287aa95..b18e8e180 100644
--- a/tasks/utilities/task_waphl_utils.wdl
+++ b/tasks/utilities/task_waphl_utils.wdl
@@ -195,7 +195,7 @@ task freyja_epi_output {
 
   df = pd.DataFrame({'PHL_ID':id_list, 'Sample_ID':submitter_list, 'Sample_Collection_date':date_list,
   'Sample_Site':location_list, 'Sample_county':county_list, 'Sample_zip':zip_list, "lineages":lineages, "abundances":abundances, "freyja_date":freyja_date_list})
-  df.replace(np.nan, 'NULL', regex=True)
+  df = df.replace(np.nan, 'NULL', regex=True)
   df.to_csv('~{samplename}_for_epi.tsv', sep="\t", header=False, index=False)
   CODE