PandasModel.py

from PyQt5.QtCore import Qt, QAbstractTableModel

class pandasModel(QAbstractTableModel):
    def __init__(self, data):
        QAbstractTableModel.__init__(self)
        self._data = data

    def data(self, index, role):
        if role == Qt.DisplayRole:
            return str(self._data.iloc[index.row(), index.column()])
        return None

    def rowCount(self, parent=None):
        return len(self._data)

    def columnCount(self, parent=None):
        return len(self._data.columns)

    def headerData(self, section, orientation, role):
        if orientation == Qt.Horizontal and role == Qt.DisplayRole:
            return str(self._data.columns[section])
        return None