Wind River Support Network

Description

Below erro happened on host which only have python3, and don't have a link python->python3

INFO: All required host tools are available.
 Loading index Wind River Developer Layer Index from [http://layers.wrs.com/layerindex/api/]...
 Setting distro to "wrlinux"
 Setting machine to "intel-x86-64"
 Updated project configuration
 /usr/bin/env: 'python': No such file or directory
 CRITICAL: cmd "['/home/wrlbuild/TASK/setup_test/bin/git-repo/repo', 'init', '--repo-url', 'git://pek-git.wrs.com/git-repo', '--repo-branch', 'wr-10.20-20200212', '--quiet', '-m', 'default.xml', '-u', '/home/wrlbuild/TASK/setup_test', '--no-repo-verify']" returned 127
 ERROR: Traceback (most recent call last):

ERROR: File "/home/wrlbuild/TASK/setup_test/wrlinux-x/bin/setup.py", line 1309, in <module>

ERROR: 
 ERROR: x.main(sys.argv)
 ERROR: File "/home/wrlbuild/TASK/setup_test/wrlinux-x/bin/setup.py", line 268, in main

ERROR: 
 ERROR: self.repo_sync()
 ERROR: File "/home/wrlbuild/TASK/setup_test/wrlinux-x/bin/setup.py", line 1115, in repo_sync

ERROR: 
 ERROR: self.call_repo_init(cmd)
 ERROR: File "/home/wrlbuild/TASK/setup_test/wrlinux-x/bin/setup.py", line 1188, in call_repo_init

ERROR: 
 ERROR: utils_setup.run_cmd(cmd, environment=self.env, log=log_it)
 ERROR: File "/home/wrlbuild/TASK/setup_test/wrlinux-x/bin/utils_setup.py", line 76, in run_cmd

ERROR: 
 ERROR: raise Exception(msg)
 ERROR: Exception
 ERROR:
 + rc=1
 + shutdown
 + for func in '"$\{SHUTDOWNFUNCS[@]}"'

DEBUG: Done
 DEBUG: Starting
 DEBUG: Starting
 DEBUG: Running cmd: "['/home/wrlbuild/TASK/setup_test/bin/git-repo/repo', 'init', '--repo-url', 'git://pek-git.wrs.com/git-repo', '--repo-branch', 'wr-10.20-20200212', '-m', 'default.xml', '-u', '/home/wrlbuild/TASK/setup_test', '--no-repo-verify']"
 /usr/bin/env: 'python': No such file or directory
 CRITICAL: cmd "['/home/wrlbuild/TASK/setup_test/bin/git-repo/repo', 'init', '--repo-url', 'git://pek-git.wrs.com/git-repo', '--repo-branch', 'wr-10.20-20200212', '-m', 'default.xml', '-u', '/home/wrlbuild/TASK/setup_test', '--no-repo-verify']" returned 127
 ERROR: Traceback (most recent call last):

ERROR: File "/home/wrlbuild/TASK/setup_test/wrlinux-x/bin/setup.py", line 1309, in <module>

ERROR: 
 ERROR: x.main(sys.argv)
 ERROR: File "/home/wrlbuild/TASK/setup_test/wrlinux-x/bin/setup.py", line 268, in main

ERROR: 
 ERROR: self.repo_sync()
 ERROR: File "/home/wrlbuild/TASK/setup_test/wrlinux-x/bin/setup.py", line 1115, in repo_sync

ERROR: 
 ERROR: self.call_repo_init(cmd)
 ERROR: File "/home/wrlbuild/TASK/setup_test/wrlinux-x/bin/setup.py", line 1188, in call_repo_init

ERROR: 
 ERROR: utils_setup.run_cmd(cmd, environment=self.env, log=log_it)
 ERROR: File "/home/wrlbuild/TASK/setup_test/wrlinux-x/bin/utils_setup.py", line 76, in run_cmd

ERROR: 
 ERROR: raise Exception(msg)
 ERROR: Exception
 ERROR: :
 ERROR: /home/wrlbuild/TASK/setup_test/bin/git-repo/repo init --repo-url git://pek-git.wrs.com/git-repo --repo-branch wr-10.20-20200212 -m default.xml -u /home/wrlbuild/TASK/setup_test --no-repo-verify

Steps to Reproduce

Prepare host:
1) On Fedora31, it only have python3 by default.
2) Remove python2 on Ubuntu-16.04

git clone --branch master-wr git://pek-git.wrs.com/wrlinux-x
./wrlinux-x/setup.sh  --machines intel-x86-64 --dl-layers --accept-eula=yes