i guess you missed a column while doing groupby.. Apart from that you can make the below minor adjustments
f0219_grouped = f0219[~f0219['Rubrica'].isin(['240','245'])].groupby(['Identificação Única', 'Nome','Rubrica'])['Valor'].sum().reset_index() f0219_grouped['Valor']=(f0219_grouped['Valor'] - (f0219_grouped['Valor'].where(f0219_grouped['Rubrica']==352)).fillna(0)) f0219_grouped[f0219_grouped["Valor"]>=10000]