[FIX] base_external_referential : fix float import
[FIX] base_external_referential : fix float import

guewen/connector,esousy/connector,acsone/connector,Endika/connector,BT-fgarbely/connector,BT-ojossen/connector,zhaohuaw/connector,gurneyalex/connector,MindAndGo/connector,js-landoo/connector,esousy/connector,fevxie/connector,dvitme/connector,BT-jmichaud/connector,brain-tec/connector,mohamedhagag/connector,MindAndGo/connector,js-landoo/connector,Endika/connector,brain-tec/connector,Antiun/connector,anybox/connector,hugosantosred/connector,anybox/connector,guewen/connector,Antiun/connector,maljac/connector,sylvain-garancher/connector,acsone/connector,hugosantosred/connector,open-synergy/connector,gurneyalex/connector,brain-tec/connector,BT-fgarbely/connector,acsone/connector,BT-jmichaud/connector,dvitme/connector,mohamedhagag/connector,sylvain-garancher/connector,maljac/connector,zhaohuaw/connector,fevxie/connector,open-synergy/connector,BT-ojossen/connector