Fixing parse for waiting

Author: jakep-allenai

olmocr/pipeline.py

@@ -615,7 +615,7 @@ async def process_line(line):
         if match:
             last_running_req = int(match.group(1))
 
-        match = re.search(r'Pending: (\d+)', line)
+        match = re.search(r'Waiting: (\d+)', line)
         if match:
             last_queue_req = int(match.group(1))
             logger.info(f"vllm running req: {last_running_req} queue req: {last_queue_req}")