from django.apps import AppConfig


class WagtailEmbedVideosAppConfig(AppConfig):
    name = 'wagtail_embed_videos'
    label = 'wagtail_embed_videos'
    verbose_name = "Wagtail Embed Video"
    verbose_name = "Wagtail Embed Videos"

from django.apps import AppConfig


class WagtailEmbedVideosAppConfig(AppConfig):
    name = 'wagtail_embed_videos'
    label = 'wagtail_embed_videos'
    verbose_name = "Wagtail Embed Videos"

Update apps.py