Fixed query list id out-of-range issue (#65)

* Fixed query list id out-of-range issue

Signed-off-by: Li Gang <gang.g.li@intel.com>

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Signed-off-by: Li Gang <gang.g.li@intel.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

evals/benchmark/stresscli/locust/chatqnabench.py

@@ -24,7 +24,8 @@ def getUrl():
 
 
 def getReqData():
-    qid = random.randint(1, 189)
+    qlen = len(qlist)
+    qid = random.randint(0, qlen - 1)
     logging.debug(f"Selected question: {qlist[qid]['qText']}")
 
     return {"messages": qlist[qid]["qText"], "max_tokens": 128}