Fix time residuals

backend/scripts/time_residuals.py

@@ -41,7 +41,6 @@ def main():
             args['TIME_RESIDUALS_FILE'],
             names=["run", "timestamp", "du", "floor", "dom_id", "t_res", "Q"]
         )
-        df = pd.read_csv(args['TIME_RESIDUALS_FILE'])
         df = df[df.timestamp > time.time() - 60 * 60 * hours]
         print(f" -> number of entries: {len(df)}")