diff --git a/aider/repo.py b/aider/repo.py
index 7869091ea..aaa4d4fb9 100644
--- a/aider/repo.py
+++ b/aider/repo.py
@@ -5,7 +5,7 @@ import git
 import pathspec
 
 from aider import prompts, utils
-from aider.models import Model
+from aider.models import DEFAULT_WEAK_MODEL_NAME, Model
 from aider.sendchat import simple_send_with_retries
 
 from .dump import dump  # noqa: F401
@@ -22,7 +22,7 @@ class GitRepo:
         if models:
             self.models = models
         else:
-            self.models = [Model("gpt-3.5-turbo")]
+            self.models = [Model(DEFAULT_WEAK_MODEL_NAME)]
 
         if git_dname:
             check_fnames = [git_dname]
diff --git a/aider/repomap.py b/aider/repomap.py
index 32773e874..bc918936a 100644
--- a/aider/repomap.py
+++ b/aider/repomap.py
@@ -1,10 +1,10 @@
 import colorsys
-import importlib.resources as pkg_resources
 import os
 import random
 import sys
 import warnings
 from collections import Counter, defaultdict, namedtuple
+from importlib import resources
 from pathlib import Path
 
 import networkx as nx
@@ -140,7 +140,7 @@ class RepoMap:
 
         # Load the tags queries
         try:
-            scm_fname = pkg_resources.files(__package__).joinpath(
+            scm_fname = resources.files(__package__).joinpath(
                 "queries", f"tree-sitter-{lang}-tags.scm"
             )
         except KeyError: