1 files changed, 9 insertions, 0 deletions
diff --git a/Lib/ast.py b/Lib/ast.py
index 9f38605..d7e51ab 100644
--- a/Lib/ast.py
+++ b/Lib/ast.py
@@ -1124,12 +1124,21 @@ class _Unparser(NodeVisitor):
         if node.bound:
             self.write(": ")
             self.traverse(node.bound)
+        if node.default_value:
+            self.write(" = ")
+            self.traverse(node.default_value)
 
     def visit_TypeVarTuple(self, node):
         self.write("*" + node.name)
+        if node.default_value:
+            self.write(" = ")
+            self.traverse(node.default_value)
 
     def visit_ParamSpec(self, node):
         self.write("**" + node.name)
+        if node.default_value:
+            self.write(" = ")
+            self.traverse(node.default_value)
 
     def visit_TypeAlias(self, node):
         self.fill("type ")