Merge pull request #130 from clydeclements/fix-save-config-for-nargs

Fix saving config file for options with multiple arguments.

configargparse.py

@@ -607,10 +607,6 @@ def get_items_for_config_file_output(self, source_to_settings,
                         if value is not None:
                             if isinstance(value, bool):
                                 value = str(value).lower()
-                            elif callable(action.type):
-                                found = [i for i in range(0, len(existing_command_line_args)-1) if existing_command_line_args[i] in config_file_keys]
-                                if found:
-                                    value = existing_command_line_args[found[-1] + 1]
                             config_file_items[config_file_keys[0]] = value
 
             elif source == _ENV_VAR_SOURCE_KEY:

tests/test_configargparse.py

@@ -759,6 +759,9 @@ class CustomClass(object):
         def __init__(self, name):
             self.name = name
 
+        def __str__(self):
+            return self.name
+
     @staticmethod
     def valid_custom(s):
         if s == "invalid": raise Exception("invalid name")