Remove unused pagedown css demo.css (#3676)

hypha/apply/activity/forms.py

@@ -2,12 +2,12 @@
 from django.db import transaction
 from django.utils.translation import gettext_lazy as _
 from django_file_form.forms import FileFormMixin
-from pagedown.widgets import PagedownWidget
 
 from hypha.apply.stream_forms.fields import MultiFileField
 from hypha.apply.todo.options import COMMENT_TASK
 from hypha.apply.todo.views import add_task_to_user
 from hypha.apply.users.models import STAFF_GROUP_NAME, User
+from hypha.core.widgets import PagedownWidget
 
 from .models import Activity, ActivityAttachment
 

hypha/apply/utils/blocks.py

@@ -5,7 +5,6 @@
 from django.forms.utils import ErrorList
 from django.utils.safestring import mark_safe
 from django.utils.translation import gettext_lazy as _
-from pagedown.widgets import PagedownWidget
 from wagtail.admin import messages
 from wagtail.blocks import ListBlock, StaticBlock, StreamBlock, StreamValue
 
@@ -15,6 +14,7 @@
     TextFieldBlock,
 )
 from hypha.apply.utils.options import RICH_TEXT_WIDGET
+from hypha.core.widgets import PagedownWidget
 
 
 def find_duplicates(items):

hypha/core/widgets.py

@@ -0,0 +1,12 @@
+from django.forms.widgets import Media
+from pagedown.widgets import PagedownWidget as PagedownWidgetBase
+
+
+class PagedownWidget(PagedownWidgetBase):
+    """
+    Custom PagedownWidget to remove demo.css included in the default widget.
+    """
+
+    @property
+    def media(self):
+        return Media(css={"all": ("pagedown.css",)}, js=PagedownWidgetBase.Media.js)