Removed unused imports of force_bytes.

zerver/lib/bugdown/fenced_code.py

@@ -81,7 +81,6 @@ import subprocess
 import markdown
 from django.utils.html import escape
 from markdown.extensions.codehilite import CodeHilite, CodeHiliteExtension
-from zerver.lib.str_utils import force_bytes
 from zerver.lib.tex import render_tex
 from typing import Any, Dict, Iterable, List, MutableSequence, Optional, Tuple, Union, Text
 

zerver/tests/test_narrow.py

@@ -20,7 +20,6 @@ from zerver.lib.narrow import (
     build_narrow_filter,
 )
 from zerver.lib.request import JsonableError
-from zerver.lib.str_utils import force_bytes
 from zerver.lib.sqlalchemy_utils import get_sqlalchemy_connection
 from zerver.lib.test_helpers import (
     POSTRequestMock,

zerver/views/messages.py

@@ -8,7 +8,7 @@ from django.db import connection
 from django.http import HttpRequest, HttpResponse
 from typing import Dict, List, Set, Text, Any, Callable, Iterable, \
     Optional, Tuple, Union
-from zerver.lib.str_utils import force_text, force_bytes
+from zerver.lib.str_utils import force_text
 from zerver.lib.exceptions import JsonableError, ErrorCode
 from zerver.lib.html_diff import highlight_html_differences
 from zerver.decorator import has_request_variables, \