Error value before reference when add negative number
GTK client:
When try to add negative quantity in Numeric field, I get:
File "/home/resteve/projectes/nandev/tryton/tryton/common/number_entry.py", line 59, in do_insert_text
if self.__digits is not None and round(value, self.__digits) != value:
UnboundLocalError: local variable 'value' referenced before assignment
Example:
1- Add new invoice line.
2- In qty field, add "-10" (negative)