diff --git a/scrapy/core/http2/protocol.py b/scrapy/core/http2/protocol.py
index 0b872f6ba..e32e2b6fe 100644
--- a/scrapy/core/http2/protocol.py
+++ b/scrapy/core/http2/protocol.py
@@ -3,6 +3,7 @@ import itertools
 import logging
 from collections import deque
 from ipaddress import IPv4Address, IPv6Address
+from typing import Dict, List, Optional, Union
 
 from h2.config import H2Configuration
 from h2.connection import H2Connection
@@ -21,7 +22,6 @@ from twisted.internet.ssl import Certificate
 from twisted.protocols.policies import TimeoutMixin
 from twisted.python.failure import Failure
 from twisted.web.client import URI
-from typing import Dict, List, Optional, Union
 from zope.interface import implementer
 
 from scrapy.core.http2.stream import Stream, StreamCloseReason
diff --git a/scrapy/core/http2/stream.py b/scrapy/core/http2/stream.py
index e01e76ae5..ef90773b6 100644
--- a/scrapy/core/http2/stream.py
+++ b/scrapy/core/http2/stream.py
@@ -2,6 +2,7 @@ import logging
 from enum import Enum
 from io import BytesIO
 from urllib.parse import urlparse
+from typing import Dict, List, Optional, Tuple, TYPE_CHECKING
 
 from h2.errors import ErrorCodes
 from h2.exceptions import H2Error, ProtocolError, StreamClosedError
@@ -10,8 +11,6 @@ from twisted.internet.defer import Deferred, CancelledError
 from twisted.internet.error import ConnectionClosed
 from twisted.python.failure import Failure
 from twisted.web.client import ResponseFailed
-from typing import Dict
-from typing import List, Optional, Tuple, TYPE_CHECKING
 
 from scrapy.http import Request
 from scrapy.http.headers import Headers