Flake: remove unused import

coderedcms/blocks/base_blocks.py

@@ -4,7 +4,6 @@ Bases, mixins, and utilities for blocks.
 
 from django import forms
 from django.template.loader import render_to_string
-from django.utils.encoding import force_str
 from django.utils.functional import cached_property
 from django.utils.safestring import mark_safe
 from django.utils.translation import gettext_lazy as _