diff --git a/rope/contrib/autoimport/utils.py b/rope/contrib/autoimport/utils.py
index f3f581159..5932f9bc2 100644
--- a/rope/contrib/autoimport/utils.py
+++ b/rope/contrib/autoimport/utils.py
@@ -22,6 +22,8 @@ def get_package_tuple(
     package_type: PackageType
     if package_name.startswith(".") or package_name == "__pycache__":
         return None
+    if "site-packages" in package_name:
+        return None
     if package_name.endswith((".egg-info", ".dist-info")):
         return None
     if package_path.is_file():
diff --git a/ropetest/contrib/autoimport/deptest.py b/ropetest/contrib/autoimport/deptest.py
index 938e75606..9dcefd132 100644
--- a/ropetest/contrib/autoimport/deptest.py
+++ b/ropetest/contrib/autoimport/deptest.py
@@ -21,7 +21,7 @@ def project(request, tmp_path: Path) -> Iterable[Project]:
 
 @pytest.fixture
 def autoimport(project) -> Iterable[AutoImport]:
-    autoimport = AutoImport(project)
+    autoimport = AutoImport(project, memory=True)
     autoimport.generate_modules_cache()
     yield autoimport
     autoimport.close()