workon

Before coding , first check the environment on PC.

PS G: > $Env:PROJECT_HOME
G:\workspace\py
PS G: > $Env:WORKON_HOME
G:\env\py
PS G: >cd $Env:PROJECT_HOME
PS G:\workspace\py> workon

Pass a name to activate one of the following virtualenvs:
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djanbox
djfirst
djfourth
djsecond
djthird
sandbox