pip install flash_attn==2.7.4.post1 no modle named troch

[sinfree]

pip install flash_attn==2.7.4.post1 no modle named troch

[sfiisf]

Perhaps it's because it was installed in an isolated environment. Try adding the --no-build-isolation parameter and retry, like pip install --no-build-isolation flash_attn==2.7.4.post1.

By the way, You can also try downloading the pre-built wheel file directly from the release page on GitHub and installing it. This is usually much faster than building from source.
Just find the .whl file that matches your system and Python version, then run pip install [downloaded-filename].whl.