Traceback:
TypeError: value.split is not a function
    at Class._getDisplayName (http://localhost:8099/web/content/417-9eb0f92/web.assets_backend.js:1036:101)
    at http://localhost:8099/web/content/417-9eb0f92/web.assets_backend.js:1041:219
    at Function._.map._.collect (http://localhost:8099/web/content/383-91f685c/web.assets_common.js:13:270)
    at Object.<anonymous> (http://localhost:8099/web/content/417-9eb0f92/web.assets_backend.js:1041:186)
    at Object.<anonymous> (http://localhost:8099/web/content/383-91f685c/web.assets_common.js:802:681)
    at fire (http://localhost:8099/web/content/383-91f685c/web.assets_common.js:796:299)
    at Object.fireWith [as resolveWith] (http://localhost:8099/web/content/383-91f685c/web.assets_common.js:801:198)
    at Object.deferred.<computed> [as resolve] (http://localhost:8099/web/content/383-91f685c/web.assets_common.js:803:56)
    at Object.<anonymous> (http://localhost:8099/web/content/383-91f685c/web.assets_common.js:3869:358)
    at Object.<anonymous> (http://localhost:8099/web/content/383-91f685c/web.assets_common.js:802:681)



CODE :

class HRContributionTechIndustry(models.Model):
    _name = 'hr.contribut.tech'
    _description = 'Contributions to Tech Industry'
    
    
    tech_contribut = fields.Selection([
                            ('commi', 'International/National Tech Committees'),
                            ('judge', 'Judge/Assessor/Mentor/Author/Speaker of Tech-related Awards, Programmes or Events'),
                            ], string='Tech Industry')
                            
    name_commi = fields.Char(string='Name of Tech-related Committee', required=False)
    name_judge = fields.Char(string='Judge/Assessor/Mentor/Author/Speaker of Tech-related Awards, Programmes or Events', required=False)
    
    position_judge = fields.Selection([
                                    ('judge', 'Judge'),
                                    ('assessor', 'Assessor'),
                                    ('author', 'Author'),
                                    ('mentor', 'Mentor'),
                                    ('speaker', 'Speaker'),
                                    ('other', 'Others')
                                    ],string='Position')
                                    
    position_commi = fields.Selection([
                                    ('chairman', 'Chairman'),
                                    ('cmember', 'Committe Member'),
                                    ('other', 'Others')
                                    ],string='Position')
                                    
    please_specify = fields.Char('Please Specify')
    period_start =fields.Date('Start Date')
    period_end =fields.Date('End Date')
    
 
    @api.model
    def name_get(self):
        for select in self :
            if select.tech_contribut == 'commi' :
                res = []
                for rec in self :
                    name = rec.name_commi
                    res.append((rec.id, name))
                return res
            else :
                res = []
                for rec in self :
                    name = rec.name_judge
                    res.append((rec.id, name))
                return res


XML >>>

record model="ir.ui.view" id="hr_contributtech_form_view">
            <field name="name">hr.contribut.tech.form</field>
            <field name="model">hr.contribut.tech</field>
            <field name="type">form</field>
            <field name="arch" type="xml">
                <form string="Contributions to Tech Industry">
                    <sheet>
                        <group>    
                            <field name="tech_contribut" required='1'/>
                            <field name="name_commi" attrs="{'invisible': [('tech_contribut', '!=', 'commi')], 'required': [('tech_contribut', '=', 'commi')]}"/>
                            <field name="name_judge" attrs="{'invisible': [('tech_contribut', '!=', 'judge')], 'required': [('tech_contribut', '=', 'judge')]}"/>
                            <field name="position_judge" attrs="{'invisible': [('tech_contribut', '!=', 'judge')], 'required': [('tech_contribut', '=', 'judge')]}"/>
                            <field name="position_commi" attrs="{'invisible': [('tech_contribut', '!=', 'commi')], 'required': [('tech_contribut', '=', 'commi')]}"/>
                            <field name="please_specify" attrs="{'invisible': [('position_judge', '!=', 'other')], 'required': [('position_judge', '=', 'other')]}"/>
                            <field name="please_specify" attrs="{'invisible': [('position_commi', '!=', 'other')], 'required': [('position_commi', '=', 'other')]}"/>
                            <field name="period_start" required='True'/>
                            <field name="period_end" required='1'/>
                        </group>
                    </sheet>
                </form>
            </field>
        </record>
        
           <record id="hr_contributtech_search_view" model="ir.ui.view">
            <field name="name">hr.contribut.tech.search</field>
            <field name="model">hr.contribut.tech</field>
            <field name="arch" type="xml">
                <search string="Event Name">
                    <field name="name_commi"/>
                    <field name="name_judge"/>
                </search>
            </field>
        </record>
        
        
        <record model="ir.actions.act_window" id="action_hr_contributtech">
            <field name="name">Contributions to Tech Industry</field>
            <field name="type">ir.actions.act_window</field>
            <field name="res_model">hr.contribut.tech</field>
            <field name="view_type">form</field>
            <field name="view_mode">tree,form</field>
            <field name="view_id" ref="hr_contributtech_tree_view"/>
            <!--<field name="search_view_id" ref="hr_contributtech_search_view"/>-->
        </record>

        <menuitem action="action_hr_contributtech" id="menu_hr_contributtech" parent="menu_participant_config"
                  sequence="15"/>