Implemented "account del" action

starling

@@ -189,7 +189,12 @@ class StarlingClient:
             print(f'Response:')
             print(response.text)
             sys.exit(1)
+        if response.status_code == 204: # No Content
+            return None
+        try:
             return json.loads(response.text, object_hook=lambda obj: types.SimpleNamespace(**obj))
+        except:
+            sys.exit(f'ERROR: failed to parse response:\n{response}')
 
     def make_signature(self, method, url, date, digest):
         path = urllib.parse.urlparse(url).path
@@ -349,6 +354,18 @@ class StarlingClient:
             print(f'Failed to create account: {response}')
             sys.exit(1)
 
+    def account_del(self, account_uid):
+        payee_uid = self.get_payee_uid_from_account(account_uid)
+        self.delete(f'payees/{payee_uid}/account/{account_uid}')
+        print(f'Successfully deleted account {account_uid} for payee {payee_uid}')
+
+    def get_payee_uid_from_account(self, account_uid):
+        for payee in self.payees().payees:
+            for account in payee.accounts:
+                if account.payeeAccountUid == account_uid:
+                    return payee.payeeUid
+        sys.exit(f'ERROR: Can\'t find payee for account {account_uid}')
+
     def pay(self, payee_uid, amount, ref):
         match = self.amount_re.match(amount)
         if match is None:
@@ -408,7 +425,8 @@ parser = argparse.ArgumentParser(
   payees                           - list the customer's payees
   payee add                        - adds a new payee
   payee del <payee_uid>            - deletes an existing payee
-  account add <payee_uid>          - adds a new account to a payee
+  account add                      - adds a new account to a payee
+  account del <account_uid>        - removes an account from a payee
   pay <account_uid> <amount> <ref> - pay an existing payee
 ''')
 parser.add_argument('action', help='which action to perform', nargs='*')
@@ -455,7 +473,7 @@ elif action == 'account':
             parser.error(f'Too few arguments for "{action} {subaction}" action')
         if count > 2:
             parser.error(f'Too many arguments for "{action} {subaction}" action')
-        client.account_del(*actuon_args)
+        client.account_del(*action_args)
     else:
         parser.error(f'Unknown "{action} {subaction}" action')
 elif action == 'pay':