diff --git a/src/optional/python-bindings/example_scripts/new_book_with_opening_balances.py b/src/optional/python-bindings/example_scripts/new_book_with_opening_balances.py
index 6d71dec9d1..a5d5555ae7 100644
--- a/src/optional/python-bindings/example_scripts/new_book_with_opening_balances.py
+++ b/src/optional/python-bindings/example_scripts/new_book_with_opening_balances.py
@@ -262,8 +262,8 @@ def create_opening_balance_transaction(commodtable, namespace, mnemonic,
     return simple_opening_name_used
         
 def main():
-    original_book_session = Session(argv[1], False)
-    new_book_session = Session(argv[2], True)
+    original_book_session = Session(argv[1], is_new=False)
+    new_book_session = Session(argv[2], in_new=True)
     new_book = new_book_session.get_book()
     new_book_root = new_book.get_root_account()
 
diff --git a/src/optional/python-bindings/example_scripts/simple_business_create.py b/src/optional/python-bindings/example_scripts/simple_business_create.py
index 78f46c38a2..dd36226749 100644
--- a/src/optional/python-bindings/example_scripts/simple_business_create.py
+++ b/src/optional/python-bindings/example_scripts/simple_business_create.py
@@ -46,7 +46,7 @@ from gnucash.gnucash_core_c import \
     GNC_OWNER_CUSTOMER, ACCT_TYPE_LIABILITY
 
 
-s = Session(argv[1], True)
+s = Session(argv[1], is_new=True)
 # this seems to make a difference in more complex cases
 s.save()
 
diff --git a/src/optional/python-bindings/example_scripts/simple_invoice_insert.py b/src/optional/python-bindings/example_scripts/simple_invoice_insert.py
index db833c4eb0..2c9ce52d26 100644
--- a/src/optional/python-bindings/example_scripts/simple_invoice_insert.py
+++ b/src/optional/python-bindings/example_scripts/simple_invoice_insert.py
@@ -73,7 +73,7 @@ def gnc_numeric_from_decimal(decimal_value):
     return GncNumeric(numerator, denominator)
 
 
-s = Session(argv[1], False)
+s = Session(argv[1], is_new=False)
 # this seems to make a difference in more complex cases
 s.save()
 
diff --git a/src/optional/python-bindings/example_scripts/simple_session.py b/src/optional/python-bindings/example_scripts/simple_session.py
index ff4f70e0f0..82ad457919 100644
--- a/src/optional/python-bindings/example_scripts/simple_session.py
+++ b/src/optional/python-bindings/example_scripts/simple_session.py
@@ -16,7 +16,7 @@ except GnuCashBackendException, backend_exception:
 
 
 # create a new file
-session = Session("xml://%s" % FILE_2, True)
+session = Session("xml://%s" % FILE_2, is_new=True)
 session.save()
 session.end()
 session.destroy()
diff --git a/src/optional/python-bindings/example_scripts/simple_sqlite_create.py b/src/optional/python-bindings/example_scripts/simple_sqlite_create.py
index 5d522c2421..14759a4f2a 100644
--- a/src/optional/python-bindings/example_scripts/simple_sqlite_create.py
+++ b/src/optional/python-bindings/example_scripts/simple_sqlite_create.py
@@ -4,7 +4,7 @@ from gnucash import Session, Account
 from os.path import abspath
 from gnucash.gnucash_core_c import ACCT_TYPE_ASSET
 
-s = Session('sqlite3://%s' % abspath('test.blob'), True)
+s = Session('sqlite3://%s' % abspath('test.blob'), is_new=True)
 # this seems to make a difference in more complex cases
 s.save()
 
diff --git a/src/optional/python-bindings/example_scripts/simple_test.py b/src/optional/python-bindings/example_scripts/simple_test.py
index 47813a8a7f..a1c3e5ef70 100644
--- a/src/optional/python-bindings/example_scripts/simple_test.py
+++ b/src/optional/python-bindings/example_scripts/simple_test.py
@@ -5,7 +5,7 @@ from gnucash import Session, Account, Transaction, Split, GncNumeric
 
 FILE_1 = "/tmp/example.gnucash"
 
-session = Session("xml://%s" % FILE_1, True)
+session = Session("xml://%s" % FILE_1, is_new=True)
 
 book = session.book
 root_acct = Account(book)