Drop unused import

rest_framework/views.py

@@ -8,7 +8,7 @@ from django.utils.html import escape
 from django.utils.safestring import mark_safe
 from django.views.decorators.csrf import csrf_exempt
 from rest_framework import status, exceptions
-from rest_framework.compat import View, apply_markdown, smart_text
+from rest_framework.compat import View, apply_markdown
 from rest_framework.response import Response
 from rest_framework.request import Request
 from rest_framework.settings import api_settings