get two fields inline in django-crispy forms but not others horizontal?

This is untested but I think this will work.

self.helper.layout = Layout(
    Div(
        Div('inlineField1',css_class='col-md-6',),
        Div('inlineField2',css_class='col-md-6',),
        css_class='row',
    ),
    'other_fields',
    ...,

    FormActions(
        Submit('submit', 'Submit'),
    ),
)

Layout helper with bootstrap can do this:

form.py

self.helper.layout = Layout(
Row(
    Column('check_1', css_class='form-group col-md-2 mb-0'),
    Column('check_2', css_class='form-group col-md-2 mb-0'),
    css_class='form-row'
),

Template

{% block content %}
{% crispy form %}
{% endblock %}