tables.py: fix for case when minWidth fails du eot attribute error
tables.py: fix for case when minWidth fails du eot attribute error

makinacorpus/reportlab-ecomobile,makinacorpus/reportlab-ecomobile,makinacorpus/reportlab-ecomobile,makinacorpus/reportlab-ecomobile,makinacorpus/reportlab-ecomobile