[v1.5.5] TypeError - d:\OpenNumismat\open-numismat\OpenNumismat\Collection\Import\__init__.py:51

OpenNumismat: 1.5.5
OS: Windows 10 32bit (10.0.15063)
Python: 3.4.4
Qt: 5.5.1
Locale: it

Traceback (most recent call last):
File "d:\OpenNumismat\open-numismat\OpenNumismat\MainWindow.py", line 460, in importUcoin
File "d:\OpenNumismat\open-numismat\OpenNumismat\Collection\Import\__init__.py", line 51, in importData
TypeError: not all arguments converted during string formatting