SyntaxError: future feature annotations is not defined

[Artucuno]

1. Please specify the following:

• OS: Ubuntu 20.04
• Shell: Bash

2. Description
After successfully installing eb and running eb in bash it returns:

root@me:~# eb
Traceback (most recent call last):
  File "/root/.ebcli-virtual-env/executables/eb", line 41, in <module>
    execfile(activate_this, dict(__file__=activate_this))
  File "/root/.ebcli-virtual-env/bin/activate_this.py", line 7
    from __future__ import annotations
SyntaxError: future feature annotations is not defined