chore: re-word variable to match it's purpose

closes freqtrade#12013

Author: xmatthias

freqtrade/commands/arguments.py

@@ -311,8 +311,6 @@ def _parse_args(self) -> Namespace:
         # (see https://bugs.python.org/issue16399)
         # Allow no-config for certain commands (like downloading / plotting)
         if "config" in parsed_arg and parsed_arg.config is None:
-            conf_required = "command" in parsed_arg and parsed_arg.command in NO_CONF_REQURIED
-
             if "user_data_dir" in parsed_arg and parsed_arg.user_data_dir is not None:
                 user_dir = parsed_arg.user_data_dir
             else:
@@ -325,7 +323,9 @@ def _parse_args(self) -> Namespace:
             else:
                 # Else use "config.json".
                 cfgfile = Path.cwd() / DEFAULT_CONFIG
-                if cfgfile.is_file() or not conf_required:
+                conf_optional = "command" in parsed_arg and parsed_arg.command in NO_CONF_REQURIED
+                if cfgfile.is_file() or not conf_optional:
+                    # Only inject config if the file exists, or if the config is optional
                     parsed_arg.config = [DEFAULT_CONFIG]
 
         return parsed_arg