From be85b62a423d6af7f5b1db64261be28a9db8a0e6 Mon Sep 17 00:00:00 2001
From: TomuHirata <tomu.hirata@gmail.com>
Date: Thu, 6 Mar 2025 14:22:25 +0900
Subject: [PATCH] fix undefined attributes (#7916)

---
 dspy/dsp/utils/dpr.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/dspy/dsp/utils/dpr.py b/dspy/dsp/utils/dpr.py
index d4d18f84ff..3f9531553f 100644
--- a/dspy/dsp/utils/dpr.py
+++ b/dspy/dsp/utils/dpr.py
@@ -5,9 +5,11 @@
 """
 
 import unicodedata
-
+import copy
+import logging
 import regex
 
+logger = logging.getLogger(__name__)
 
 class Tokens:
     """A class to represent a list of tokenized text."""