From c5cb87104d605e6d991309d14601abedacc740ab Mon Sep 17 00:00:00 2001
From: Yiming Huang <yiminghd@foxmail.com>
Date: Wed, 3 Dec 2025 06:06:56 +0000
Subject: [PATCH] fix: support ast.Index, ast.ExtSlice in py3.8 when use
 subscript

---
 varname/utils.py | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/varname/utils.py b/varname/utils.py
index f720514..1475182 100644
--- a/varname/utils.py
+++ b/varname/utils.py
@@ -284,10 +284,15 @@ def node_name(
 
     name = type(node).__name__
     if isinstance(node, ast.Subscript):
+        node_slice = node.slice
+        if isinstance(node_slice, ast.Index):
+            node_slice = node.slice.value
+        elif isinstance(node_slice, ast.ExtSlice):
+            node_slice = ast.Tuple(node_slice.dims)
         try:
-            return f"{node_name(node.value)}[{node_name(node.slice, True)}]"
+            return f"{node_name(node.value)}[{node_name(node_slice, True)}]"
         except ImproperUseError:
-            name = f"{node_name(node.value)}[{type(node.slice).__name__}]"
+            name = f"{node_name(node.value)}[{type(node_slice).__name__}]"
 
     raise ImproperUseError(
         f"Node {name!r} detected, but only following nodes are supported: \n"