delete all duplicate empty blanks (#5758)

Signed-off-by: Xiang Dai <764524258@qq.com>
diff --git a/benchmarks/util/result_parser.py b/benchmarks/util/result_parser.py
index 8f26dd2..e3d8e42 100755
--- a/benchmarks/util/result_parser.py
+++ b/benchmarks/util/result_parser.py
@@ -295,6 +295,6 @@
   if php_file != "":
     __parse_php_result(php_file, "php")
   if php_c_file != "":
-    __parse_php_result(php_c_file, "php")        
+    __parse_php_result(php_c_file, "php")
 
   return __results