Move import into type-checking block

strawberry/django/views.py

@@ -27,7 +27,6 @@
 from django.http.response import HttpResponseBase
 from django.template.exceptions import TemplateDoesNotExist
 from django.template.loader import render_to_string
-from django.template.response import TemplateResponse
 from django.utils.decorators import classonlymethod
 from django.views.generic import View
 
@@ -43,6 +42,8 @@
 from .context import StrawberryDjangoContext
 
 if TYPE_CHECKING:
+    from django.template.response import TemplateResponse
+
     from strawberry.http import GraphQLHTTPResponse
     from strawberry.http.ides import GraphQL_IDE