number of function parameter is counted correctly when setting new values

src/gui_qt/io/filereaders.py

@@ -58,7 +58,7 @@ class QFileReader(QtCore.QObject):
             try:
                 # If QAsciiReader.skip = True it accepts automatically and returns None
                 r(f).exec()
-            except ImportError:
+            except AttributeError:
                 pass
 
         self.data_read.emit(self.data)