diff --git a/aider/main.py b/aider/main.py
index 8c4ff7d0e..1b5a0d98c 100644
--- a/aider/main.py
+++ b/aider/main.py
@@ -474,6 +474,8 @@ def main(argv=None, input=None, output=None, force_git_root=None, return_coder=F
         )
 
     from aider.commands import Commands
+    from aider.history import ChatSummary
+    from aider.coders import Coder
 
     commands = Commands(io, None, verify_ssl=args.verify_ssl)