Removed overwrite option

freqtrade/commands/cli_options.py

@@ -223,9 +223,9 @@ AVAILABLE_CLI_OPTIONS = {
     ),
     "export_csv": Arg(
         '--export-csv',
-        help='Export to CSV-File. Put + in front of filename to overwrite.'
+        help='Export to CSV-File.'
         ' This will disable table print.'
-        ' Example: --export-csv +hyperopt.csv',
+        ' Example: --export-csv hyperopt.csv',
         metavar='FILE',
     ),
     "hyperopt_jobs": Arg(

freqtrade/commands/hyperopt_commands.py

@@ -63,14 +63,8 @@ def start_hyperopt_list(args: Dict[str, Any]) -> None:
         Hyperopt.print_epoch_details(results, total_epochs, print_json, no_header)
 
     if trials and export_csv:
-        overwrite_csv = False
-        if export_csv[0] == '+':
-            overwrite_csv = True
-            export_csv = export_csv[1:]
-
         Hyperopt.export_csv_file(
-            config, trials, total_epochs,
-            not filteroptions['only_best'], export_csv, overwrite_csv
+            config, trials, total_epochs, not filteroptions['only_best'], export_csv
         )