[PyQt] QsqlTableModel.removeRow() erase row content

[engdarkman89]

Hi All,
 
I am using QSqlTableModel to populate a QTableView with data from MySql
table, this works fine, calling model.removeRow() method returns True and
the selected row verticalHeaderDate changed to "!" which is fine, but the
row content is erased on the view (cells become blank).

Code

    mw = QMainWindow()
    
    model = QSqlTableModel(None, connectionManager().getConnection())
    model.setTable("vouchertypes")
    model.setEditStrategy(model.OnManualSubmit)
    model.select()

    tv = QTableView(mw)
    tv.setModel(model)
    
    bt = QPushButton("Delete", mw)
    bt.clicked.connect(lambda: model.removeRow(tv.currentIndex().row()))
    mw.show()

Extra Informations:
* Calling submitAll() works as expected.
* I am using python2.7 with PyQt 4.9.4-1
* This problem arise just after updating PyQt 4.8.5 to 4.9.4-1
* I tried to install Python, PyQt (latest Versions) to a new machine, but
the problem is persist.

Appreciate any kind of help.



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