asciireader.py avoid IndexError if file has no header
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@ -113,7 +113,7 @@ class QAsciiReader(QtWidgets.QDialog, Ui_ascii_reader):
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@QtCore.pyqtSlot(int, name='on_line_spinBox_valueChanged')
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def set_column_names(self, _):
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self.ascii_table.setHorizontalHeaderLabels(map(str, range(1, self.ascii_table.columnCount() + 1)))
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if self.column_checkBox.isChecked():
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if self.column_checkBox.isChecked() and self.line_spinBox.isEnabled():
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header_line = self.reader.header[self.line_spinBox.value()-1]
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self.ascii_table.setHorizontalHeaderLabels(header_line.split())
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