Fix mypy (#4169)

Author: sentrivana

sentry_sdk/client.py

@@ -566,7 +566,7 @@ def _prepare_event(
                 if event.get("exception"):
                     DedupeIntegration.reset_last_seen()
 
-            event = new_event
+            event = new_event  # type: Optional[Event]  # type: ignore[no-redef]
 
         before_send_transaction = self.options["before_send_transaction"]
         if (

sentry_sdk/integrations/opentelemetry/contextvars_context.py

@@ -14,12 +14,13 @@
 
 if TYPE_CHECKING:
     from typing import Optional
+    from contextvars import Token
     import sentry_sdk.integrations.opentelemetry.scope as scope
 
 
 class SentryContextVarsRuntimeContext(ContextVarsRuntimeContext):
     def attach(self, context):
-        # type: (Context) -> object
+        # type: (Context) -> Token[Context]
         scopes = get_value(SENTRY_SCOPES_KEY, context)
 
         should_fork_isolation_scope = context.pop(