Does not install a importable module

[adarwoo]

$ virtualenv k
$ k/bin/pip3 install tproc
eng@PC4078:$ k/bin/pip3 install tproc
Collecting tproc
Downloading tproc-1.0a2.tar.gz (9.7 kB)
Preparing metadata (setup.py) ... done
Collecting argparse (from tproc)
Downloading argparse-1.4.0-py2.py3-none-any.whl (23 kB)
Building wheels for collected packages: tproc
Building wheel for tproc (setup.py) ... done
Created wheel for tproc: filename=tproc-1.0a2-py3-none-any.whl size=5896 sha256=030325b3d37cd417e39c530baff51dadd6d98660a363fc73b6cadc6c54d499d5
Stored in directory: /home/eng/.cache/pip/wheels/1b/34/13/64e90f7b1b6ed5dfd467e81103c532c52d4032c031ba327f87
Successfully built tproc
Installing collected packages: argparse, tproc
Successfully installed argparse-1.4.0 tproc-1.0a2
eng@PC4078:$ k/bin/python3
Python 3.10.12 (main, Jun 11 2023, 05:26:28) [GCC 11.4.0] on linux
Type "help", "copyright", "credits" or "license" for more information.

import tproc
Traceback (most recent call last):
File "", line 1, in
ModuleNotFoundError: No module named 'tproc'

eng@PC4078:~$ k/bin/tproc --help
usage: tproc [-h] [-e definition] [-d name[=value]] [input_file] [output_file]

positional arguments:
input_file
output_file

options:
-h, --help show this help message and exit
-e definition, --expand definition
specify the definition to expand
-d name[=value], --define name[=value]
define option