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-rw-r--r--lib/sqlalchemy/databases/sqlite.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/sqlalchemy/databases/sqlite.py b/lib/sqlalchemy/databases/sqlite.py
index 557441254..c76149d7b 100644
--- a/lib/sqlalchemy/databases/sqlite.py
+++ b/lib/sqlalchemy/databases/sqlite.py
@@ -85,6 +85,8 @@ class SLBoolean(sqltypes.Boolean):
def get_col_spec(self):
return "BOOLEAN"
def convert_bind_param(self, value, dialect):
+ if value is None:
+ return None
return value and 1 or 0
def convert_result_value(self, value, dialect):
if value is None: