Installiation problem for Ubuntu 18.04

[sezer12138]

No matter I use python2 or python3, the same error happened. The details is below.
It seems the package code is not incompatiable with python2 version. But when I choose the python3, it also installed pythhon2 package.

Downloading https://files.pythonhosted.org/packages/6a/f5/a729774d087e50fffd1438b3877a91e9281294f985bda0fd15bf99016c78/cryptography-39.0.1.tar.gz#sha256=d1f6198ee6d9148405e49887803907fe8962a23e6c6f83ea7d98f1c0de375695
Best match: cryptography 39.0.1
Processing cryptography-39.0.1.tar.gz
Writing /tmp/easy_install-OiDq52/cryptography-39.0.1/setup.cfg
Running cryptography-39.0.1/setup.py -q bdist_egg --dist-dir /tmp/easy_install-OiDq52/cryptography-39.0.1/egg-dist-tmp-snvmfG
Traceback (most recent call last):
File "/usr/lib/python2.7/runpy.py", line 174, in _run_module_as_main
"main", fname, loader, pkg_name)
File "/usr/lib/python2.7/runpy.py", line 72, in _run_code
exec code in run_globals
File "/usr/lib/python2.7/dist-packages/easy_install.py", line 5, in
main()
File "/usr/lib/python2.7/dist-packages/setuptools/command/easy_install.py", line 2367, in main
**kw
File "/usr/lib/python2.7/dist-packages/setuptools/init.py", line 129, in setup
return distutils.core.setup(**attrs)
File "/usr/lib/python2.7/distutils/core.py", line 151, in setup
dist.run_commands()
File "/usr/lib/python2.7/distutils/dist.py", line 953, in run_commands
self.run_command(cmd)
File "/usr/lib/python2.7/distutils/dist.py", line 972, in run_command
cmd_obj.run()
File "/usr/lib/python2.7/dist-packages/setuptools/command/easy_install.py", line 437, in run
self.easy_install(spec, not self.no_deps)
File "/usr/lib/python2.7/dist-packages/setuptools/command/easy_install.py", line 698, in easy_install
return self.install_item(spec, dist.location, tmpdir, deps)
File "/usr/lib/python2.7/dist-packages/setuptools/command/easy_install.py", line 729, in install_item
self.process_distribution(spec, dists[0], deps, "Using")
File "/usr/lib/python2.7/dist-packages/setuptools/command/easy_install.py", line 771, in process_distribution
[requirement], self.local_index, self.easy_install
File "/usr/lib/python2.7/dist-packages/pkg_resources/init.py", line 774, in resolve
replace_conflicting=replace_conflicting
File "/usr/lib/python2.7/dist-packages/pkg_resources/init.py", line 1057, in best_match
return self.obtain(req, installer)
File "/usr/lib/python2.7/dist-packages/pkg_resources/init.py", line 1069, in obtain
return installer(requirement)
File "/usr/lib/python2.7/dist-packages/setuptools/command/easy_install.py", line 698, in easy_install
return self.install_item(spec, dist.location, tmpdir, deps)
File "/usr/lib/python2.7/dist-packages/setuptools/command/easy_install.py", line 724, in install_item
dists = self.install_eggs(spec, download, tmpdir)
File "/usr/lib/python2.7/dist-packages/setuptools/command/easy_install.py", line 909, in install_eggs
return self.build_and_install(setup_script, setup_base)
File "/usr/lib/python2.7/dist-packages/setuptools/command/easy_install.py", line 1177, in build_and_install
self.run_setup(setup_script, setup_base, args)
File "/usr/lib/python2.7/dist-packages/setuptools/command/easy_install.py", line 1163, in run_setup
run_setup(setup_script, args)
File "/usr/lib/python2.7/dist-packages/setuptools/sandbox.py", line 253, in run_setup
raise
File "/usr/lib/python2.7/contextlib.py", line 35, in exit
self.gen.throw(type, value, traceback)
File "/usr/lib/python2.7/dist-packages/setuptools/sandbox.py", line 195, in setup_context
yield
File "/usr/lib/python2.7/contextlib.py", line 35, in exit
self.gen.throw(type, value, traceback)
File "/usr/lib/python2.7/dist-packages/setuptools/sandbox.py", line 166, in save_modules
saved_exc.resume()
File "/usr/lib/python2.7/dist-packages/setuptools/sandbox.py", line 141, in resume
six.reraise(type, exc, self._tb)
File "/usr/lib/python2.7/dist-packages/setuptools/sandbox.py", line 154, in save_modules
yield saved
File "/usr/lib/python2.7/dist-packages/setuptools/sandbox.py", line 195, in setup_context
yield
File "/usr/lib/python2.7/dist-packages/setuptools/sandbox.py", line 250, in run_setup
_execfile(setup_script, ns)
File "/usr/lib/python2.7/dist-packages/setuptools/sandbox.py", line 44, in _execfile
code = compile(script, filename, 'exec')
File "/tmp/easy_install-OiDq52/cryptography-39.0.1/setup.py", line 93
print(f" Python: {'.'.join(str(v) for v in sys.version_info[:3])}")
^
SyntaxError: invalid syntax