Handler block method is called twice and image downloads twice issue

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There is a situation where the handler block method is called twice, however I called it one time. So I want a way to correct this case.

[HTTPReq postRequestWithPath:@"" class:nil parameters:dictRequest completionBlock:^(id result, NSError *error) {

if (result)


NSDictionary *dictResult = result;

if([[dictResult valueForKey:@"message"] isEqualToString:@"success"]){

//if success i download the image..




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