fix: only search under Library/bin on windows

Author: cpcloud

cuda_pathfinder/cuda/pathfinder/_binaries/find_nvidia_binary_utility.py

@@ -93,7 +93,8 @@ def find_nvidia_binary_utility(utility_name: str) -> str | None:
     if (conda_prefix := os.environ.get("CONDA_PREFIX")) is not None:
         if IS_WINDOWS:
             dirs.append(os.path.join(conda_prefix, "Library", "bin"))
-        dirs.append(os.path.join(conda_prefix, "bin"))
+        else:
+            dirs.append(os.path.join(conda_prefix, "bin"))
 
     # 3. Search in CUDA Toolkit (CUDA_HOME/CUDA_PATH)
     if (cuda_home := get_cuda_home_or_path()) is not None:

cuda_pathfinder/tests/test_find_nvidia_binaries.py

@@ -103,7 +103,6 @@ def test_find_binary_windows_extension_and_search_dirs(monkeypatch, mocker):
     expected_dirs = [
         site_dir,
         os.path.join(conda_prefix, "Library", "bin"),
-        os.path.join(conda_prefix, "bin"),
         os.path.join(cuda_home, "bin", "x64"),
         os.path.join(cuda_home, "bin", "x86_64"),
         os.path.join(cuda_home, "bin"),