Could not install with Python 3.8 in Linux Mint 20.3

[ghost]

Process failed: python3.8 failed (exit code 1). Full command was:["python3.8", "-m", "pip", "download", "--no-clean", "--no-deps", "--no-binary", ":all:", "-d", "/tmp/package-python-build-06340c8911613336d00bcc674a4e58e745844c21a86b4ab0356d6d66eb69", "-i", "https://pypi.python.org/simple", "--build", "/tmp/package-python-build-06340c8911613336d00bcc674a4e58e745844c21a86b4ab0356d6d66eb69/../setup.py", "../setup.py"] {:level=>:error}
Process failed: python3.8 failed (exit code 1). Full command was:["python3.8", "-m", "pip", "download", "--no-clean", "--no-deps", "--no-binary", ":all:", "-d", "/tmp/package-python-build-c05a2d6ff180ab6a3eeb880c41de5d165a245ecd8e6134cdb5e387f4844b", "-i", "https://pypi.python.org/simple", "--build", "/tmp/package-python-build-c05a2d6ff180ab6a3eeb880c41de5d165a245ecd8e6134cdb5e387f4844b/../setup.py", "../setup.py"] {:level=>:error}

My WorkStation
Linux Mint 20.3 x86_64
Python 3.8
fpm 1.14.2

I changed the install_scripts/.package.sh file

declare -a outputs=("deb")
declare -a pypacks=("astral" "requests" "tz" "tzlocal" "schedule")
declare -a otherdeps=("python3-pip")
declare -a python_versions=("3.8")

declare -a original_files=(*)

declare -a outputs=("deb" "rpm" "sh")
declare -a pypacks=("astral" "requests" "tz" "tzlocal" "schedule")
declare -a otherdeps=("python3-pip")
declare -a python_versions=("3.5" "3.6")