+# flake8: noqa: F401
+import warnings
+
+from .common import (
+ HEADRequest,
+ PUTRequest,
+ Request,
+ RequestDirector,
+ RequestHandler,
+ Response,
+)
+
+# isort: split
+# TODO: all request handlers should be safely imported
+from . import _urllib
+from ..utils import bug_reports_message
+
+try:
+ from . import _requests
+except ImportError:
+ pass
+except Exception as e:
+ warnings.warn(f'Failed to import "requests" request handler: {e}' + bug_reports_message())
+
+try:
+ from . import _websockets
+except ImportError:
+ pass
+except Exception as e:
+ warnings.warn(f'Failed to import "websockets" request handler: {e}' + bug_reports_message())
+
+try:
+ from . import _curlcffi # noqa: F401
+except ImportError:
+ pass
+except Exception as e:
+ warnings.warn(f'Failed to import "curl_cffi" request handler: {e}' + bug_reports_message())