Use df.tolist(), not df.to_list().

Author: tompollard

wfdb/io/convert/csv.py

@@ -310,12 +310,7 @@ def csv_to_wfdb(
     # Check if signal names are valid and set defaults
     if not sig_name:
         if header:
-            try:
-                sig_name = df_CSV.columns.to_list()
-            except AttributeError:
-                # to_list() was introduced in Pandas v0.24.0
-                # https://pandas.pydata.org/pandas-docs/stable/whatsnew/v0.24.0.html#other-api-changes
-                sig_name = df_CSV.columns.tolist()
+            sig_name = df_CSV.columns.tolist()
             if any(map(str.isdigit, sig_name)):
                 print(
                     "WARNING: One or more of your signal names are numbers, this "