[v1.6.4] TypeError - d:\OpenNumismat\open-numismat\OpenNumismat\Collection\Import\__init__.py:51

OpenNumismat: 1.6.4
OS: Windows XP (5.1.2600)
Python: 3.4.4 (32bit)
Qt: 5.5.1
Locale: it

Traceback (most recent call last):
File "d:\OpenNumismat\open-numismat\OpenNumismat\MainWindow.py", line 498, in importUcoin
File "d:\OpenNumismat\open-numismat\OpenNumismat\Collection\Import\__init__.py", line 51, in importData
TypeError: not all arguments converted during string formatting