lbfi: command not found

[abusayed0206]

System Details:
OS: Zorin OS 15.3 x86_64
Host: B450M DS3H V2
Kernel: 5.4.0-77-generic
Packages: 2838
Shell: bash 4.4.20
Resolution: 1920x1080
DE: GNOME 3.30.2
WM: GNOME Shell
WM Theme: ZorinGrey-Dark
heme: ZorinGrey-Dark [GTK2/3]
Icons: ZorinGrey-Dark [GTK2/3]
Terminal: gnome-terminal
CPU: AMD Ryzen 5 3400G (8) @ 3.700GHz
GPU: AMD Picasso
Memory: 2841MiB / 14004MiB

Terminal logs:
sayed@SAYEDLINUX: $ pip3 install --upgrade lbfi
WARNING: pip is being invoked by an old script wrapper. This will fail in a future version of pip.
Please see pypa/pip#5599 for advice on fixing the underlying issue.
To avoid this problem you can invoke Python with '-m pip' instead of running pip directly.
Defaulting to user installation because normal site-packages is not writeable
Requirement already satisfied: lbfi in ./.local/lib/python3.6/site-packages (0.1.3)

sayed@SAYEDLINUX:~$ lbfi install
lbfi: command not found