enhacements to the menu infraestructure (#978)

* Correct definition of btrfs standard layout

* Solve issue #936

* make ask_for_a_timezone as synonym to ask_timezone

* Some refining in GeneralMenu
secret is now a general function

* Revert "Some refining in GeneralMenu"

This reverts commit e6e131cb19795e0ddc169e897ae4df57a1c7f9fb.

* Activate load of preset values in GeneralMenu
Changed all select_functions definitions to the need of passing the preset value
Corrected problems at ask_to_configure_network, and management of preset values added

* minor glitches in menu processing, plus flake8 complains

* Changes to ask_to_configure_network following  @svartkanin code

* select_language adapted to preset value.
changes to the infraestructure to solve bugs

* functions adapted for preset values
* select_mirror_regions
* select_locale_lang
* select_locale_enc
* ask_for_swap

* Updated to preset values
* ask_for_bootloader
Won't use it
* set_root_password()

* Updated to preset values
* ask_for_audio_selection
* select_kernel
* ask_for_a_timezone

* Updated to use preset values
* select_ntp
* ask_ntp
* ask_for_swap
flake8 complains

* Adapted to preset values
* ask_additional_packages_to_install (from svartkanin)
* ask_to_configure_network (adapted from svartkanin version)

* Updated to preset values
* ask_hostname
* select_additional_repositories

* bug in nic conversion
_select_harddrives adapted to preset_menu

1 files changed, 1 insertions, 1 deletions

diff --git a/archinstall/__init__.py b/archinstall/__init__.py
index 9afefa0e..cb95028b 100644
--- a/archinstall/__init__.py
+++ b/archinstall/__init__.py
@@ -204,7 +204,7 @@ def load_config():
 	if arguments.get('servers', None) is not None:
 		storage['_selected_servers'] = arguments.get('servers', None)
 	if nic_config := arguments.get('nic', {}):
-		if nic_config.get('nic', '') == 'Copy ISO network configuration to installation':
+		if isinstance(nic_config,str) or nic_config.get('nic', '') == 'Copy ISO network configuration to installation':
 			arguments['nic'] = {'type': 'iso_config'}
 		elif 'NetworkManager' in nic_config:
 			arguments['nic'] = {'type': 'network_manager', 'NetworkManager': True}