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-rw-r--r--lib/sqlalchemy/sql/compiler.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/sqlalchemy/sql/compiler.py b/lib/sqlalchemy/sql/compiler.py
index b2c4a94c0..41ef20a7a 100644
--- a/lib/sqlalchemy/sql/compiler.py
+++ b/lib/sqlalchemy/sql/compiler.py
@@ -2025,7 +2025,7 @@ class DDLCompiler(engine.Compiled):
def get_column_default_string(self, column):
if isinstance(column.server_default, schema.DefaultClause):
- if isinstance(column.server_default.arg, str):
+ if isinstance(column.server_default.arg, util.string_types):
return "'%s'" % column.server_default.arg
else:
return self.sql_compiler.process(column.server_default.arg)