[Speculative decoding][Re-take] Enable TP>1 speculative decoding (#4840)

Co-authored-by: Cade Daniel <edacih@gmail.com>
Co-authored-by: Cade Daniel <cade@anyscale.com>

vllm/worker/worker_base.py

@@ -121,7 +121,7 @@ class WorkerWrapperBase:
     def init_worker(self, *args, **kwargs):
         """
         Actual initialization of the worker class, and set up
-       function tracing if required.
+        function tracing if required.
         Arguments are passed to the worker class constructor.
         """
         enable_trace_function_call_for_thread()