Debug load_lib

Author: pearu

src/torchaudio/_extension/__init__.py

@@ -21,13 +21,14 @@
 ]
 
 
-if os.name == "nt" and (3, 8) <= sys.version_info < (3, 9):
+if os.name == "nt": # and (3, 8) <= sys.version_info < (3, 9):
     _init_dll_path()
 
 # When the extension module is built, we initialize it.
 # In case of an error, we do not catch the failure as it suggests there is something
 # wrong with the installation.
 _IS_TORCHAUDIO_EXT_AVAILABLE = _load_lib("_torchaudio")
+assert _IS_TORCHAUDIO_EXT_AVAILABLE
 _IS_ALIGN_AVAILABLE = False
 if _IS_TORCHAUDIO_EXT_AVAILABLE:
     if not _load_lib("libtorchaudio"):

src/torchaudio/_extension/utils.py

@@ -53,6 +53,7 @@ def _load_lib(lib: str) -> bool:
             If a dependency is missing, then users have to install it.
     """
     path = _get_lib_path(lib)
+    print(f'_load_lib: {lib=} {path=}')
     if not path.exists():
         return False
     torch.ops.load_library(path)