Fix src import on HF cache: use absolute() not resolve() (symlink)

forecast.py

@@ -36,8 +36,12 @@ import yaml
 # Make the vendored TempoPFN package importable as `src.*`.
 # Works both in the CODE-SHARE layout (inference/forecast.py + ../tempopfn) and
 # in a flat HF repo (forecast.py + ./tempopfn at the same level).
-_HERE = Path(__file__).resolve().parent
-for _cand in (_HERE / "tempopfn", _HERE.parent / "tempopfn"):
+#
+# NOTE: use .absolute() and NOT .resolve(): on the Hugging Face Hub cache, files in
+# snapshots/<commit>/ are *symlinks* into blobs/. .resolve() would follow the symlink
+# into blobs/ (where `tempopfn/` does not sit beside the file), breaking the import.
+_HERE = Path(__file__).absolute().parent
+for _cand in (_HERE, _HERE / "tempopfn", _HERE.parent, _HERE.parent / "tempopfn"):
     if (_cand / "src").is_dir():
         sys.path.insert(0, str(_cand))
         break