(venv) repetier@HA-Development:~/home-assistant$ script/setup
Installing development dependencies...
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pre-commit installed at .git/hooks/pre-commit
Obtaining file:///home/repetier/home-assistant
    Complete output from command python setup.py egg_info:
    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "/home/repetier/home-assistant/setup.py", line 6, in <module>
        import homeassistant.const as hass_const
      File "/home/repetier/home-assistant/homeassistant/const.py", line 265
        CONF_UNIT_SYSTEM_METRIC: str = "metric"
                               ^
    SyntaxError: invalid syntax

    ----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in /home/repetier/home-assistant/