Hi Every one, I am getting a problem in the OpenERP GTK Client. The error is as follows:- Traceback (most recent call last): File "/home/alam/Desktop/Data/client/bin/modules/gui/main.py", line 1334, in _sig_child_call res = wid.handlers[button_name]() File "/home/alam/Desktop/Data/client/bin/modules/gui/window/form.py", line 286, in sig_new if not self.modified_save(): File "/home/alam/Desktop/Data/client/bin/modules/gui/window/form.py", line 428, in modified_save if self.screen.is_modified(): File "/home/alam/Desktop/Data/client/bin/widget/screen/screen.py", line 487, in is_modified self.current_view.set_value() File "/home/alam/Desktop/Data/client/bin/widget/view/form.py", line 333, in set_value widget.set_value(model) File "/home/alam/Desktop/Data/client/bin/widget/view/form.py", line 65, in set_value self.widget.set_value(model, model.mgroup.mfields[self.widget_name]) File "/home/alam/Desktop/Data/client/bin/widget/view/form_gtk/spinbutton.py", line 45, in set_value model_field.set_client(model, self.widget.get_value()) File "/home/alam/Desktop/Data/client/bin/widget/model/field.py", line 230, in set_client if abs(float(internal or 0.0) - float(model.value[self.name] or 0.0)) >= (10.0**(-1-int(self.attrs.get('digits', (12,4))[1]))): TypeError: float() argument must be a string or a number For your reference, my code is as follows:- from osv import osv, fields class student_qualification(osv.osv): def _compute_percentage(self, cr, uid, ids, field_name, field_value, arg, context=None): records = self.browse(cr, uid, ids) result = {} str1 = 1.0 for r in records: if r.MarksObtain and r.TotalMarks: str1 = ((r.MarksObtain*1.0) / (r.TotalMarks*1.0)) * 100 result[r.id] = str1 return result _name = "student_qualification.student_qualification" _description = "Students Biodata Discription" _columns = { 'name': fields.char('Name', size=64), 'MarksObtain': fields.float('Marks Obtain', required=True), 'TotalMarks': fields.float('Total Marks', required=True), 'Percentage': fields.function(_compute_percentage, type='float', obj='student_qualification.student_qualification', method=True, store=True, string='Percentage'), 'RegistrationNumber': fields.char('Registration Number', size=64), 'CGPA': fields.integer('CGPA', required=True), } student_qualification() class entrytest(osv.osv): def _get_company_currency(self, cr, uid, ids, field_name, arg, context={}): result = {} for rec in self.browse(cr, uid, ids, context): result[rec.id] = (rec.Percentage.id,rec.Percentage.Percentage) return result def _get_company_currency1(self, cr, uid, ids, field_name, arg, context={}): result = {} for rec in self.browse(cr, uid, ids, context): result[rec.id] = (rec.Percentage.id,rec.Percentage.CGPA) return result def _get_company_currency2(self, cr, uid, ids, field_name, arg, context={}): result = {} for rec in self.browse(cr, uid, ids, context): result[rec.id] = rec.interviewmarks + rec.Percentage.Percentage return result _name = "entrytest.entrytest" _description = "Entry Tesr Discription" _columns = { 'name': fields.char('Name1', size=64), 'Percentage': fields.many2one('student_qualification.student_qualification', 'Per'), 'interviewmarks': fields.float('INterview Marks', required=True), 'CGPA': fields.many2one('student_qualification.student_qualification', 'CGPA'), 'line_id1': fields.function(_get_company_currency, method=True, type='float', string='Percentage'), 'line_id2': fields.function(_get_company_currency1, method=True, type='float', string='CGPA'), 'line_id3': fields.function(_get_company_currency2, method=True, type='float' , string='Total Marks'), } entrytest() The view is not correctly shown. Also, The list view and form view are some how mixed. I have tried several times, but this thing is not working, please help. I am providing view as well for reference: Student Qualification student_qualification.student_qualification form Student Qualification student_qualification.student_qualification form tree,form Entry Test entrytest.entrytest form Entry Test Tree View entrytest.entrytest tree Entry Test entrytest.entrytest form tree,form

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