Fix tqdm in openai_api (#241)

* add

* refine readme for longwriter

* add tech report for longwriter

* update

* update task config

* update

* fix lint

* fix lint for openai_api

* test

* test

* fix tqdm in openai_api.py for threadpool executor: del desc

evalscope/models/api/openai_api.py

@@ -105,7 +105,7 @@ def process_one(in_data: str):
             future_to_task = {executor.submit(process_one, input_one): input_one for input_one in inputs}
 
             # Show progress bar
-            for future in tqdm(as_completed(future_to_task), total=len(inputs), desc=['Predicting']):
+            for future in tqdm(as_completed(future_to_task), total=len(inputs)):
                 results.append(future.result())
 
         return results