[heatpump] add default value for last_update

pyheatpump/cli.py

 
     get_path = '/'.join((
         config.get('supervisor', 'get_path'),
-        Heatpump(mac_address, 0).macformat
+        Heatpump(mac_address).macformat
     ))
     get_url = {
         **base_url,
     )
 
     control_data = get_resp.json()
-    if Heatpump(mac_addres, 0).control(control_data):
+    if Heatpump(mac_addres).control(control_data):
         logger.info('GET to supervisor succeded : updated values')
         set_last_update(int(datetime.now().strftime('%s')))
     else:

pyheatpump/models/heatpump.py

     var_types: Dict
     last_update: int = None
 
-    def __init__(self, mac_address, last_update, types=[]):
+    def __init__(self, mac_address, last_update=0, types=[]):
         self.mac_address = mac_address
         self.last_update = last_update
         if len(types):