diff --git a/aider/__init__.py b/aider/__init__.py
index 8ea1e3450..0dffdf106 100644
--- a/aider/__init__.py
+++ b/aider/__init__.py
@@ -1 +1 @@
-__version__ = "0.9.0-dev"
+__version__ = "0.9.1-dev"
diff --git a/aider/versioncheck.py b/aider/versioncheck.py
index f297c7695..3c4ff2811 100644
--- a/aider/versioncheck.py
+++ b/aider/versioncheck.py
@@ -13,15 +13,7 @@ def check_version(print_cmd):
         latest_version = data["info"]["version"]
         current_version = aider.__version__
 
-        from aider.dump import dump
-        dump(current_version)
-        dump(packaging.version.parse(latest_version))
-        dump(packaging.version.parse(
-            current_version
-        ))
-        if packaging.version.parse(latest_version) <= packaging.version.parse(
-            current_version
-        ):
+        if packaging.version.parse(latest_version) <= packaging.version.parse(current_version):
             return
 
         print_cmd(f"Newer version v{latest_version} is available. To upgrade, run:")