in install_dev.py [0:0]
def install_torch_nightly_deps():
"""Install torch related dependencies from pinned nightly"""
EXECUTORCH_NIGHTLY_VERSION = "dev20250625"
TORCHAO_NIGHTLY_VERSION = "dev20250620"
# Torch nightly is aligned with pinned nightly in https://github.com/pytorch/executorch/blob/main/install_requirements.py#L74
TORCH_NIGHTLY_VERSION = "dev20250601"
subprocess.check_call(
[
sys.executable,
"-m",
"pip",
"install",
f"executorch==0.7.0.{EXECUTORCH_NIGHTLY_VERSION}",
f"torch==2.8.0.{TORCH_NIGHTLY_VERSION}",
f"torchvision==0.23.0.{TORCH_NIGHTLY_VERSION}",
f"torchaudio==2.8.0.{TORCH_NIGHTLY_VERSION}",
f"torchao==0.12.0.{TORCHAO_NIGHTLY_VERSION}",
"--extra-index-url",
"https://download.pytorch.org/whl/nightly/cpu",
]
)