1 files changed, 1 insertions, 1 deletions
diff --git a/Lib/ast.py b/Lib/ast.py
index 8af6d1e..8adb61f 100644
--- a/Lib/ast.py
+++ b/Lib/ast.py
@@ -853,7 +853,7 @@ class _Unparser(NodeVisitor):
 
     def visit_ImportFrom(self, node):
         self.fill("from ")
-        self.write("." * node.level)
+        self.write("." * (node.level or 0))
         if node.module:
             self.write(node.module)
         self.write(" import ")