======== Required information ====
- iRedMail version (check /etc/iredmail-release): zhb-iredmail-3c14cbfbd895
- Linux/BSD distribution name and version: freebsd 11.1
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): MySQL
- Web server (Apache or Nginx): No
- Manage mail accounts with iRedAdmin-Pro?
- [IMPORTANT] Related original log or error message is required if you're experiencing an issue.
====
writing byte-compilation script '/tmp/tmpn8VUje.py'
/usr/local/bin/python2.7 -O /tmp/tmpn8VUje.py
  File "/usr/local/lib/python2.7/site-packages/jinja2/asyncfilters.py", line 7
    async def auto_to_seq(value):
            ^
SyntaxError: invalid syntax

  File "/usr/local/lib/python2.7/site-packages/jinja2/asyncsupport.py", line 22
    async def concat_async(async_gen):
            ^
SyntaxError: invalid syntax

removing /tmp/tmpn8VUje.py
running install_egg_info
Copying Jinja2.egg-info to /construction/devel/py-Jinja2/stage/usr/local/lib/python2.7/site-packages/Jinja2-2.9.5-py2.7.egg-info
running install_scripts
writing list of installed files to '/construction/devel/py-Jinja2/.PLIST.pymodtmp'