Fixes bug related to the default_mux_cabling in hardware system

hardware_components/mux_2024_rev_0_0.py

@@ -54,7 +54,7 @@ class Mux(MuxAbstract):
         if 'id' in kwargs.keys():
             MUX_CONFIG.update(HARDWARE_CONFIG['mux']['boards'][kwargs['id']])
         kwargs.update({'board_name': os.path.basename(__file__).rstrip('.py')})
-        if 'cabling' not in kwargs.keys() or kwargs['cabling'] is None:
+        if 'cabling' not in kwargs.keys() or kwargs['cabling']=={}:
             kwargs.update({'cabling': default_mux_cabling})
         super().__init__(**kwargs)
         self.exec_logger.debug(f'configuration: {MUX_CONFIG}')

hardware_system.py

@@ -29,7 +29,7 @@ voltage_min = RX_CONFIG['voltage_min']
 
 default_mux_cabling = {}
 for mux in mux_boards:
-   update_dict(default_mux_cabling, MUX_CONFIG[mux].pop('default_mux_cabling', None))
+   update_dict(default_mux_cabling, MUX_CONFIG[mux].pop('default_mux_cabling', {}))
 
 print(f'default_mux_cabling: {default_mux_cabling}')