Fix tests on urllib3 v1

Author: Mr0grog

wayback/_client.py

@@ -38,6 +38,13 @@
                                 ReadTimeoutError,
                                 ProxyError,
                                 TimeoutError)
+# The Header dict lives in a different place for urllib3 v2:
+try:
+    from urllib3 import HTTPHeaderDict as Urllib3HTTPHeaderDict
+# vs. urllib3 v1:
+except ImportError:
+    from urllib3.response import HTTPHeaderDict as Urllib3HTTPHeaderDict
+
 from warnings import warn
 from . import _utils, __version__
 from ._models import CdxRecord, Memento

wayback/tests/test_client.py

@@ -8,8 +8,14 @@
 from urllib.parse import urlparse, ParseResult, parse_qs
 from urllib3 import (HTTPConnectionPool,
                      HTTPResponse,
-                     HTTPHeaderDict,
                      Timeout as Urllib3Timeout)
+# The Header dict lives in a different place for urllib3 v2:
+try:
+    from urllib3 import HTTPHeaderDict
+# vs. urllib3 v1:
+except ImportError:
+    from urllib3.response import HTTPHeaderDict
+
 from .support import create_vcr
 from .._client import (CdxRecord,
                        Mode,