AssertionError: Invalid value course.coure() in domain term ('course_id', '=', course.coure())
i couldnot rectify this please help me why its come
regular_single_entry.py::
class regularsingle(models.Model):
    _name='regular.single'
    _description='Student registration'
    # _inherits = ['regulardata.form',]  

 
    course_id=fields.Many2one('course.coure','Course',required=True )
    regulation=fields.Many2one('student.regulation','regulation',required=True)
    hallticket_no = fields.Char('HallTicket Number')
    regular_data=fields.One2many('page.regular','regular_data1')
    branch_id = fields.Many2one('branch.branch','Branch',required=True)
 
  


    @api.multi
    @api.onchange('regulation')
    def onchange_get_passeddata(self):
        stud_list = []
        stud_obj = self.env['regulardata.form'].search([('branch_id','=',self.branch_id),('course_id','=',self.course_id) ])
        if self.regulation:
            for stu in stud_obj:
                for sub in stu.regular:
                    stud_list.append({'subject_code': sub.subject_code,'subject_name': sub.subject_name,'subject_type':sub.subject_type})
                                       
                    # _logger.debug(stud_list)
                self.regular_data = stud_list



reglar_data.py:

class regulardataform(models.Model):
    _name='regulardata.form'
    _description='regular data'
    
    name = fields.Char('Subject Name')

    hallticket_no = fields.Char('HallTicket Number')

    regulation = fields.Many2one('student.regulation','Regulation') 
    course_id=fields.Many2one('course.coure','Course',required=True)
    regular=fields.One2many('regular.data','regular_data')
    branch_id = fields.Many2one('branch.branch','Branch')
    college_id = fields.Many2one('college.colleege','College')
 if it is char  field then working ,it is many2one doesnot work(course_id,branch_id)