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I have tried to repo init the source code Ubuntu build machine and it is successfully able to clone the code.

repo init -u git@github.com:xxx/xx_manifest.git -b xxx

Now I am trying repo init the source code in VM Ubuntu machine.

In between getting the error like below:

Traceback (most recent call last):
 File "/xxx/.repo/repo/main.py", line 56, in <module>
from subcmds.version import Version
 File "/xxx/.repo/repo/subcmds/__init__.py", line 38, in <module>
['%s' % name])
 File "/xxx/.repo/repo/subcmds/upload.py", line 27, in <module>
from hooks import RepoHook
File "/xxx/.repo/repo/hooks.py", line 472
file=sys.stderr)
 SyntaxError: invalid syntax
python version is same in build machine and vm machine 2.7.17.
try these commands
curl https://storage.googleapis.com/git-repo-downloads/repo-1 > ~/bin/repo
chmod a+x ~/bin/repo
python3 ~/bin/repo init -u git@....
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– Someguy123
                Dec 8, 2020 at 18:53
                run the following commands before these: 1. mkdir -p ~/.bin after this run  2. PATH="${HOME}/.bin:${PATH}"  enjoy
– Ali Waqas
                Jul 31, 2021 at 19:21
Download last version of repo :
curl https://storage.googleapis.com/git-repo-downloads/repo-1 > repo
Change right to make it executable : chmod a+x repo
Run your repo init with python3 and the "repo" you just download : python3 repo init -u git@github.com:xxx/xx_manifest.git -b xxx
                This is the same as the accepted answer but with explanation. An edit on the accepted answer would be better, but @skrrt isn't changing anything, so I'm upvoting this over the accepted
– Daniel C Jacobs
                Jan 13, 2022 at 20:12
I have experienced the same issue on Ubuntu 18.04 during the installation of the OpenSTLinux Yocto layer with the following command:
repo init -u https://github.com/STMicroelectronics/oe-manifest.git -b refs/tags/openstlinux-5.4-dunfell-mp1-20-11-12
Returns:
Get https://gerrit.googlesource.com/git-repo/clone.bundle
Get https://gerrit.googlesource.com/git-repo
remote: Counting objects: 2, done
remote: Finding sources: 100% (117/117)
remote: Total 117 (delta 63), reused 117 (delta 63)
Receiving objects: 100% (117/117), 142.25 KiB | 11.85 MiB/s, done.
Resolving deltas: 100% (63/63), completed with 32 local objects.
From https://gerrit.googlesource.com/git-repo
   1469c28..0588f3d  main       -> origin/main
 * [new tag]         v2.11      -> v2.11
 * [new tag]         v2.11.1    -> v2.11.1
Traceback (most recent call last):
  File "/home/xxx/Distribution-Package/openstlinux-5.4-dunfell-mp1-20-11-12/.repo/repo/main.py", line 56, in <module>
    from subcmds.version import Version
  File "/home/xxx/Distribution-Package/openstlinux-5.4-dunfell-mp1-20-11-12/.repo/repo/subcmds/__init__.py", line 38, in <module>
    ['%s' % name])
  File "/home/xxx/Distribution-Package/openstlinux-5.4-dunfell-mp1-20-11-12/.repo/repo/subcmds/upload.py", line 27, in <module>
    from hooks import RepoHook
  File "/home/xxx/Distribution-Package/openstlinux-5.4-dunfell-mp1-20-11-12/.repo/repo/hooks.py", line 472
    file=sys.stderr)
This issue goes away with using Python3 instead of Python (2.7). You can do this:
sudo rm /usr/bin/python
sudo ln -s /usr/bin/python3 /usr/bin/python
Try below command to make it will work 100%, tried & suggested
mkdir -p ~/.bin
PATH="${HOME}/.bin:${PATH}"
curl https://storage.googleapis.com/git-repo-downloads/repo > ~/.bin/repo
chmod a+rx ~/.bin/repo
                definitely a solid answer... matches the docs exactly gerrit.googlesource.com/git-repo/#install
– BushMinusZero
                Jun 15, 2022 at 1:28
One solution is to modify the first line of /usr/bin/repo and change it from
#!/usr/bin/python
#!/usr/bin/python3
This asks the system to use Python3 instead of the default Python.
                I am surprised I am the first one to up vote this. It works perfectly and requires the least work.
– Kent Tong
                Oct 26, 2021 at 7:44
If the system you are running on doesn't have python3, like in my case, and you don't have the option to install python3, or installing it breaks other parts, the option is the degrade repo to a version that uses python2.7:
- git clone https://gerrit.googlesource.com/git-repo
- cd git-repo
- git reset --hard v1.13.11
- mkdir -p ~/.bin
- PATH="${HOME}/.bin:${PATH}"
- cp repo ~/.bin/repo
- chmod a+rx ~/.bin/repo
This will use v1.13.11 of repo, which works with python2.7
As seen in a similar error in arvestad/alv issue 1, that would be consistent with running the process with Python 2.7 instead of Python3
Double-check you Python version between:
your Ubuntu build machine (where the repo init works)
your VM Ubuntu machine (where the repo init fails)
Same error here, with the error suggesting you are executing python2 with a PYTHONPATH that's only appropriate for python3.
                There must be a difference though, since the error means you are using a python2 instead of 3. Check your environment variables (PYTHONPATH for example)
– VonC
                Dec 8, 2020 at 9:23
I don't know exactly how this works, but i just had the same issue and this resolved it for me it seems.
https://source.android.com/setup/develop#installing-repo
Dont use the legacy one, use the first one to resolve it.
Edit: It seems you also need to have python 3.6 installed on you system to have this work. You can still have update-alternatives point to python 2.7, you simply need 3.6 or newer installed.
Just install python3 and the latest repo.
I encountered the problem too, but on Mac OS. The log is exactly the same as yours.
Definitely python2 caused this problem. repo is try to run python3 files in python2 environment.
I found the this from repo docs https://gerrit.googlesource.com/git-repo/+/refs/heads/master/docs/python-support.md
So I update my repo (which located in depot_tools). Since I already have python3 installed, everything is ok now.
Hope my experience may help you.