scipy looks like it installs, but does not

[Skaperen]

Which interpreter is executed by py3? Is it the same interpreter as the pip command?

Output:
lt1a/forums/3 /home/forums 4> which py3
/usr/host/bin/py3
lt1a/forums/3 /home/forums 5> ls -il /usr/host/bin/py3
144853 lrwxrwxrwx 1 root root 22 Dec  7 18:45 /usr/host/bin/py3 -> ../../../bin/python3.8
lt1a/forums/3 /home/forums 6> ls -il ../../../bin/python3.8
2278 -rwxr-xr-x 1 root root 5465880 Nov 22 05:22 ../../../bin/python3.8
lt1a/forums/3 /home/forums 7> ls -il /usr/bin/python3.8
2278 -rwxr-xr-x 1 root root 5465880 Nov 22 05:22 /usr/bin/python3.8
lt1a/forums/3 /home/forums 8> ls -il /bin/python3.8
2278 -rwxr-xr-x 1 root root 5465880 Nov 22 05:22 /bin/python3.8
lt1a/forums/3 /home/forums 9> /bin/python3.8
Python 3.8.10 (default, Nov 22 2023, 10:22:35) 
[GCC 9.4.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> 
lt1a/forums/3 /home/forums 10> /usr/bin/python3.8
Python 3.8.10 (default, Nov 22 2023, 10:22:35) 
[GCC 9.4.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> 
lt1a/forums/3 /home/forums 11>

Ubuntu 20.4 replicates /bin and /usr/bin so either path to python3 works. i am doing this as root to ensure that everything is available system-wide for all users.