omero admin diagnostics shows the wrong python

[manics]

$ OMERODIR=/tmp /anaconda3/envs/tmp/bin/omero admin diagnostics

================================================================================
OMERO Diagnostics (admin) 5.6.dev3
================================================================================

Creating directory /tmp/var
Commands:   java -version                  1.8.0     (/usr/bin/java)
Commands:   python -V                      2.7.10    (/usr/bin/python)
Commands:   icegridnode --version          3.6.4     (/usr/local/bin/icegridnode)
Commands:   icegridadmin --version         3.6.4     (/usr/local/bin/icegridadmin)
Commands:   psql --version                 not found
Commands:   openssl version                2.2.7     (/usr/bin/openssl)

...

Expected: /anaconda3/envs/tmp/bin/python

Note https://github.com/ome/omero-py/pull/107 does not fix this