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-rw-r--r--mako/_ast_util.py4
1 files changed, 4 insertions, 0 deletions
diff --git a/mako/_ast_util.py b/mako/_ast_util.py
index c410287..caf157d 100644
--- a/mako/_ast_util.py
+++ b/mako/_ast_util.py
@@ -680,6 +680,10 @@ class SourceGenerator(NodeVisitor):
def visit_Num(self, node):
self.write(repr(node.n))
+ # newly needed in Python 3.8
+ def visit_Constant(self, node):
+ self.write(repr(node.n))
+
def visit_Tuple(self, node):
self.write('(')
idx = -1