NameError: name 'execfile' is not defined

When I try to install it, it gives me this error. Full trace:
```
>pip install llama
Collecting llama
Using cached llama-0.1.1.tar.gz (387 kB)
Preparing metadata (setup.py) ... error
error: subprocess-exited-with-error

× python setup.py egg_info did not run successfully.
│ exit code: 1
╰─> [7 lines of output]
Traceback (most recent call last):
File "", line 2, in
File "", line 34, in
File "C:\Users\User\AppData\Local\Temp\pip-install-rmv68poo\llama_1f1349b8007f4659a527b3920482de66\setup.py", line 6, in
execfile('llama/version.py')
^^^^^^^^
NameError: name 'execfile' is not defined
[end of output]

note: This error originates from a subprocess, and is likely not a problem with pip.
error: metadata-generation-failed

× Encountered error while generating package metadata.
╰─> See above for output.

note: This is an issue with the package mentioned above, not pip.
hint: See above for details.

[notice] A new release of pip is available: 23.3.2 -> 24.0
[notice] To update, run: python.exe -m pip install --upgrade pip
```