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-rw-r--r--qa/qa/tools/generate_perf_testdata.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/qa/qa/tools/generate_perf_testdata.rb b/qa/qa/tools/generate_perf_testdata.rb
index 0a0dbdf5b15..4fda49c8e48 100644
--- a/qa/qa/tools/generate_perf_testdata.rb
+++ b/qa/qa/tools/generate_perf_testdata.rb
@@ -46,7 +46,7 @@ module QA
threads_arr.each(&:join)
STDOUT.puts "\nURLs: #{@urls}"
- File.open("urls.yml", "w") { |file| file.puts @urls.to_yaml }
+ File.open("urls.yml", "w") { |file| file.puts @urls.stringify_keys.to_yaml }
STDOUT.puts "\nDone"
end