diff --git a/aider/versioncheck.py b/aider/versioncheck.py
index 6aeb99cff..88965d4da 100644
--- a/aider/versioncheck.py
+++ b/aider/versioncheck.py
@@ -16,6 +16,8 @@ def install_from_main_branch(io):
     """
     Install the latest version of aider from the main branch of the GitHub repository.
     """
+
+    print("1")
     return utils.check_pip_install_extra(
         io,
         None,