diff --git a/aider/repomap.py b/aider/repomap.py
index 4ad42011c..952392046 100644
--- a/aider/repomap.py
+++ b/aider/repomap.py
@@ -1,5 +1,6 @@
 import colorsys
 import os
+import pkg_resources
 import random
 import sys
 from collections import Counter, defaultdict, namedtuple