I installed CentOS 7 in virtualbox and successfully installed "epel-release git puppet"
However, when I ran puppet, I found a lot of errors caused by python. Then I tried to use "yum search python3" and found that python35 (as well as python35-devel) is not available.

So I wonder whether I can install python36 or python34. And if so, I have to modify the pp files, which seems to be troublesome since the path or something else have to be changed (e.g. /usr/bin/python3.5 -> /usr/bin/python3.6).
Is there any better way? For example adding other repositories?

hostfile of yum: base, epel, extras, updates

hello, do you know how to solve this problem?
When I run the command "sudo puppet apply --modulepath protwis_puppet_modules manifests/default.pp", the system remined me that:
/usr/lib/ruby/vendor_ruby/puppet/util.rb:461: warning: URI.escape is obsolete
/usr/lib/ruby/vendor_ruby/puppet/util.rb:461: warning: URI.escape is obsolete
/usr/lib/ruby/vendor_ruby/puppet/util.rb:461: warning: URI.escape is obsolete
/usr/lib/ruby/vendor_ruby/puppet/util.rb:461: warning: URI.escape is obsolete
/usr/lib/ruby/vendor_ruby/puppet/util.rb:315: warning: deprecated Object#=~ is called on Puppet::Transaction::Report; it always returns nil
/usr/lib/ruby/vendor_ruby/puppet/util.rb:461: warning: URI.escape is obsolete
/usr/lib/ruby/vendor_ruby/puppet/util.rb:461: warning: URI.escape is obsolete
/usr/lib/ruby/vendor_ruby/puppet/util.rb:461: warning: URI.escape is obsolete
/usr/lib/ruby/vendor_ruby/puppet/util.rb:461: warning: URI.escape is obsolete
/usr/lib/ruby/vendor_ruby/puppet/util.rb:461: warning: URI.escape is obsolete
/usr/lib/ruby/vendor_ruby/puppet/util.rb:461: warning: URI.escape is obsolete
Warning: Unacceptable location. The name 'puppet::install::pip' is unacceptable in file '/protwis/conf/protwis_puppet_modules/python/manifests/init.pp' (file: /protwis/conf/protwis_puppet_modules/python/manifests/init.pp, line: 2, column: 1)
/usr/lib/ruby/vendor_ruby/puppet/util.rb:461: warning: URI.escape is obsolete
Error: Could not find resource 'Exec[install-psycopg2]' in parameter 'require' (file: /protwis/conf/protwis_puppet_modules/apache/manifests/init.pp, line: 100) on node shiyu-x1.lan

My ubuntu version is #83~20.04.1-Ubuntu SMP Wed Jun 21 20:23:31 UTC 2023.
Thank you!