diff --git a/src/pipelines/shared/postprocessing/postprocessing_funcs.py b/src/pipelines/shared/postprocessing/postprocessing_funcs.py
index cd5111f..d9da1da 100644
--- a/src/pipelines/shared/postprocessing/postprocessing_funcs.py
+++ b/src/pipelines/shared/postprocessing/postprocessing_funcs.py
@@ -724,7 +724,8 @@ def update_grouper_base_rate_and_grouper_pct_rate(df):
         "AARETE_DERIVED_REIMB_METHOD",
         "REIMB_PCT_RATE",
         "REIMB_CONVERSION_FACTOR",
-        "GROUPER_TYPE", "GROUPER_CD",
+        "GROUPER_TYPE",
+        "GROUPER_CD",
     ]
 
     # Check if all required columns exist