optional package libhomfly checksums mismatch

[Vincent Delecroix]

Hello,

Trying to install libhomfly I got

$ sage -i libhomfly
...
[libhomfly-1.0] Found local metadata for libhomfly-1.0
[libhomfly-1.0] Attempting to download package libhomfly-1.0.tar.gz from
mirrors
[libhomfly-1.0]
http://mirrors.mit.edu/sage/spkg/upstream/libhomfly/libhomfly-1.0.tar.gz
[libhomfly-1.0]
[......................................................................]
[libhomfly-1.0] Traceback (most recent call last):
[libhomfly-1.0] File "/opt/sage/build/bin/sage-download-file", line
28, in <module>
[libhomfly-1.0] run_safe()
[libhomfly-1.0] File
"/opt/sage/build/bin/../sage_bootstrap/download/cmdline.py", line 115,
in run_safe
[libhomfly-1.0] run()
[libhomfly-1.0] File
"/opt/sage/build/bin/../sage_bootstrap/download/cmdline.py", line 97, in run
[libhomfly-1.0] app.download_tarball(args.url_or_tarball,
args.destination)
[libhomfly-1.0] File
"/opt/sage/build/bin/../sage_bootstrap/download/app.py", line 43, in
download_tarball
[libhomfly-1.0] tarball.download()
[libhomfly-1.0] File
"/opt/sage/build/bin/../sage_bootstrap/tarball.py", line 163, in download
[libhomfly-1.0] raise ChecksumError('checksum does not match')
[libhomfly-1.0] sage_bootstrap.tarball.ChecksumError: checksum does not
match

I opened #21075 for that purpose.

Vincent