Locate the bundled weights without pkg_resources, which setuptools dropped

app.py

@@ -8,7 +8,10 @@ import librosa
 import tempfile
 import os
 
-import pkg_resources
+# setuptools dropped this module in version 81, and it is only needed here
+# to locate data files inside the installed transkun package, which
+# importlib.resources does from the standard library.
+from importlib.resources import files
 import moduleconf
 
 from pyharp.core import ModelCard, build_endpoint
@@ -29,8 +32,8 @@ model_card = ModelCard(
 
 @lru_cache(maxsize=2)
 def load_model(device: str):
-    defaultWeight =  (pkg_resources.resource_filename("transkun", "pretrained/2.0.pt"))
-    defaultConf =  (pkg_resources.resource_filename("transkun", "pretrained/2.0.conf"))
+    defaultWeight = str(files("transkun") / "pretrained" / "2.0.pt")
+    defaultConf = str(files("transkun") / "pretrained" / "2.0.conf")
 
     confManager = moduleconf.parseFromFile(defaultConf)
     conf = confManager["Model"].config

requirements.txt

@@ -5,6 +5,3 @@ git+https://github.com/TEAMuP-dev/pyharp.git@v0.4.1
 transkun
 librosa
 spaces>=0.51.1
-# app.py imports pkg_resources, which setuptools provides and which is no
-# longer installed by default from Python 3.12 on.
-setuptools