Admin LTE 3 Base about flask-adminlte3 HOT 11 CLOSED

FLASK_APP=apps flask run
 * Serving Flask app "apps"
 * Environment: production
   WARNING: This is a development server. Do not use it in a production deployment.
   Use a production WSGI server instead.
 * Debug mode: off
Usage: flask run [OPTIONS]

Error: While importing "apps", an ImportError was raised:

Traceback (most recent call last):
  File "/usr/local/lib/python3.7/site-packages/flask/cli.py", line 240, in locate_app
    __import__(module_name)
  File "/Users/paulo/Downloads/Flask-AdminLTE3-master/sample_application/apps/__init__.py", line 3, in <module>
    from apps.extensions import adminlte, adminlte_base
  File "/Users/paulo/Downloads/Flask-AdminLTE3-master/sample_application/apps/extensions.py", line 5, in <module>
    from flask_adminlte3_base import AdminLTE3Base
ModuleNotFoundError: No module named 'flask_adminlte3_base'

adminlte = AdminLTE3(flask)
adminlte_base = AdminLTE3Base(flask)
admin = Admin(flask, template_mode='bootstrap3')

# admin
adminlte = AdminLTE3(flask)
adminlte_base = AdminLTE3Base(flask)

class AdminLTEModelView(ModelView):
    list_template = 'flask-admin/model/list.html'
    create_template = 'flask-admin/model/create.html'
    edit_template = 'flask-admin/model/edit.html'
    details_template = 'flask-admin/model/details.html'

    create_modal_template = 'flask-admin/model/modals/create.html'
    edit_modal_template = 'flask-admin/model/modals/edit.html'
    details_modal_template = 'flask-admin/model/modals/details.html'


class AdminLTEFileAdmin(FileAdmin):
    list_template = 'flask-admin/file/list.html'

    upload_template = 'flask-admin/file/form.html'
    mkdir_template = 'flask-admin/file/form.html'
    rename_template = 'flask-admin/file/form.html'
    edit_template = 'flask-admin/file/form.html'

    upload_modal_template = 'flask-admin/file/modals/form.html'
    mkdir_modal_template = 'flask-admin/file/modals/form.html'
    rename_modal_template = 'flask-admin/file/modals/form.html'
    edit_modal_template = 'flask-admin/file/modals/form.html'


class MyAdminIndexView(AdminIndexView):
    @expose('/', methods=['GET', 'POST'])
    def index(self):
        return self.render('myadmin3/my_index.html')


class MyBaseModelview(AdminLTEModelView):
    page_size = 50  # the number of entries to display on the list view

    can_export = True
    can_view_details = True

    # edit_modal = True
    # create_modal = True
    # details_modal = True


admin = Admin(name='Admin Dashboard',
              base_template='myadmin3/my_master.html',
              template_mode='bootstrap4',
              index_view=MyAdminIndexView())

admin.add_link(MenuLink(name='Back Home', class_name='nav-item', endpoint='index.index_home'))

admin.init_app(flask)

from werkzeug.utils import secure_filename