--- a/eric6/DebugClients/Python/DebugVariables.py	Sat Dec 26 11:39:35 2020 +0100
+++ b/eric6/DebugClients/Python/DebugVariables.py	Sat Dec 26 22:49:27 2020 +0100
@@ -222,7 +222,7 @@
         d = {}
         start = count = 0
         for idx, value in enumerate(var):
-            d[str(idx)] = value
+            d[idx] = value
             count += 1
             if count >= BatchSize:
                 yield start, d