Fixed darknet.py - uses batch=1 by default

AlexeyAB

2018-05-16 89c11f83ed49c58c3031200d8ed053b4f671db09

 src/captcha.c

@@ -28,7 +28,6 @@

void train_captcha(char *cfgfile, char *weightfile)
{
    data_seed = time(0);
    srand(time(0));
    float avg_loss = -1;
    char *base = basecfg(cfgfile);