fix normalization warnings with copy

NREL · Jan 22, 2025 · 4c27641 · 4c27641
1 parent c20eda0
commit 4c27641
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/rdtools/normalization.py b/rdtools/normalization.py
@@ -575,9 +575,9 @@ def _interpolate_series(time_series, target_index, max_timedelta=None,
     df = df.dropna()
 
     # convert to integer index and calculate the size of gaps in input
-    timestamps = df.index.view('int64')
-    df.loc[:, 'timestamp'] = timestamps
-    df.loc[:, 'gapsize_ns'] = df['timestamp'].diff()
+    timestamps = df.index.view("int64").copy()
+    df["timestamp"] = timestamps
+    df["gapsize_ns"] = df["timestamp"].diff()
     df.index = timestamps
 
     valid_indput_index = df.index.copy()