diff --git a/src/analysis/observed_storm_impacts.py b/src/analysis/observed_storm_impacts.py
index 541613e..03bd714 100644
--- a/src/analysis/observed_storm_impacts.py
+++ b/src/analysis/observed_storm_impacts.py
@@ -343,8 +343,12 @@ def create_observed_impacts(
         ele=0,
         col_name="width_msl_poststorm",
     )
-    df_width_msl_change_m = (df_width_msl_poststorm - df_width_msl_prestorm).rename('width_msl_change_m')
-    df_width_msl_change_pct = (df_width_msl_change_m / df_width_msl_prestorm * 100).rename('width_msl_change_pct')
+    df_width_msl_change_m = (df_width_msl_poststorm - df_width_msl_prestorm).rename(
+        "width_msl_change_m"
+    )
+    df_width_msl_change_pct = (
+        df_width_msl_change_m / df_width_msl_prestorm * 100
+    ).rename("width_msl_change_pct")
 
     # Join beach width change onto observed impacts dataframe
     df_observed_impacts = pd.concat(