revert nullcontext import changes

Author: alexander-alderman-webb

sentry_sdk/integrations/wsgi.py

@@ -9,6 +9,7 @@
 from sentry_sdk.integrations._wsgi_common import (
     DEFAULT_HTTP_METHODS_TO_CAPTURE,
     _filter_headers,
+    nullcontext,
 )
 from sentry_sdk.scope import should_send_default_pii, use_isolation_scope
 from sentry_sdk.sessions import track_session
@@ -18,7 +19,6 @@
     capture_internal_exceptions,
     event_from_exception,
     reraise,
-    nullcontext,
 )
 
 if TYPE_CHECKING:

sentry_sdk/utils.py

@@ -17,7 +17,6 @@
 from functools import partial, partialmethod, wraps
 from numbers import Real
 from urllib.parse import parse_qs, unquote, urlencode, urlsplit, urlunsplit
-from contextlib import contextmanager
 
 try:
     # Python 3.11