python3 does not return list of keys

bindings/python/example_scripts/account_analysis.py

@@ -117,7 +117,7 @@ def next_period_start(start_year, start_month, period_type):
 def period_end(start_year, start_month, period_type):
     if period_type not in PERIODS:
         raise Exception("%s is not a valid period, should be %s" % (
-                period_type, str(PERIODS.keys()) ) )
+                period_type, str(list(PERIODS.keys())) ) )
 
     end_year, end_month = next_period_start(start_year, start_month,
                                             period_type)

bindings/python/example_scripts/rest-api/gnucash_rest.py

@@ -843,7 +843,7 @@ def getSubAccounts(account):
 
     flat_accounts = []
 
-    if 'subaccounts' in account.keys():
+    if 'subaccounts' in list(account.keys()):
         for n, subaccount in enumerate(account['subaccounts']):
             flat_accounts.append(subaccount)
             flat_accounts = flat_accounts + getSubAccounts(subaccount)