fix rename the variable everywhere

Signed-off-by: Juraj Michalek <[email protected]>

metrics/write.go

@@ -137,7 +137,7 @@ func (c *Client) write(ctx context.Context) error {
 
 		// Download the pprofs during half of the iteration to get avarege readings.
 		// Do that only when it is not set to take profiles at a given interval.
-		if len(c.config.PprofURLs) > 0 && c.config.RequestCount != -1 && ii == c.config.RequestCount/2 {
+		if len(c.config.PprofURLs) > 0 && c.config.RequestCount != -1 && left == c.config.RequestCount/2 {
 			wgPprof.Add(1)
 			go func() {
 				download.URLs(c.config.PprofURLs, time.Now().Format("2-Jan-2006-15:04:05"))