[logicimmo] Do no fail on missing img source attribute
Fixes import in flatisfy due to image src attribute missing:
Module(<Backend 'logicimmo'>): AttributeNotFound('Element <Element img at 0x7f9802dd8c50> does not have attribute src')
Fixes import in flatisfy due to image src attribute missing:
Module(<Backend 'logicimmo'>): AttributeNotFound('Element <Element img at 0x7f9802dd8c50> does not have attribute src')