When building the AMD blis it is not able to find the website that has the tar-ball. Has it been moved or is there an issue with the URL?

Steps to reproduce the issue

$ spack install amdblis@aocc

Error Message

[+] /lustre/work/thomasbr/spack-amd/opt/spack/linux-centos8-zen2/gcc-10.2.0/python-3.8.6-aigi4vpfsgp4ukhrjpbpl6v3supupo3x
==> Installing amdblis
==> No binary for amdblis found: installing from source
==> Warning: There is no checksum on file to fetch amdblis@aocc safely.
==> Fetch anyway? [y/N] y
==> Fetching https://github.com/amd/blis/archive/aocc.tar.gz
################################################################################################### 100.0%#-#O=# #
curl: (22) The requested URL returned error: 404 Not Found
==> Error: FetchError: All fetchers failed

/lustre/work/thomasbr/spack-amd/lib/spack/spack/package.py:1270, in do_fetch:
1267 self.spec.format('{name}{@Version}'), ck_msg)
1268
1269 self.stage.create()

1270 err_msg = None if not self.manual_download else self.download_instr
1271 self.stage.fetch(mirror_only, err_msg=err_msg)
1272 self._fetch_time = time.time() - start_time
1273

Information on your system

$ spack debug report

• Spack: 0.14.0-3499-f468caf20
• Python: 3.6.8
• Platform: linux-centos8-zen2

• [X ] I have run spack debug report and reported the version of Spack/Python/Platform
• [X ] I have searched the issues of this repo and believe this is not a duplicate
• [X ] I have run the failing commands in debug mode and reported the output