text: Title: I can't use yolo.weight
  Body: This is my training code . 
  flow --model cfg/dudqls.cfg --load bin/yolov2.weights --labels labels1.txt --train --dataset /mnt/train2017/ --annotation /mnt/cocoxml/ --backup yolov2 --lr 1e-4 --gpu 0.7
  
  I only change cfg file. 
  classes =7 filters =60 
  
  But Error came out ......
  Parsing ./cfg/yolov2.cfg
  Parsing cfg/dudqls.cfg
  Loading bin/yolov2.weights ...
  Traceback (most recent call last):
    File "/home/dudqls/.local/bin/flow", line 6, in <module>
      cliHandler(sys.argv)
    File "/home/dudqls/.local/lib/python3.5/site-packages/darkflow/cli.py", line 26, in cliHandler
      tfnet = TFNet(FLAGS)
    File "/home/dudqls/.local/lib/python3.5/site-packages/darkflow/net/build.py", line 58, in __init__
      darknet = Darknet(FLAGS)
    File "/home/dudqls/.local/lib/python3.5/site-packages/darkflow/dark/darknet.py", line 27, in __init__
      self.load_weights()
    File "/home/dudqls/.local/lib/python3.5/site-packages/darkflow/dark/darknet.py", line 82, in load_weights
      wgts_loader = loader.create_loader(*args)
    File "/home/dudqls/.local/lib/python3.5/site-packages/darkflow/utils/loader.py", line 105, in create_loader
      return load_type(path, cfg)
    File "/home/dudqls/.local/lib/python3.5/site-packages/darkflow/utils/loader.py", line 19, in __init__
      self.load(*args)
    File "/home/dudqls/.local/lib/python3.5/site-packages/darkflow/utils/loader.py", line 77, in load
      walker.offset, walker.size)
  AssertionError: expect 202437760 bytes, found 203934260
  
  How can use yolo.weight If i train 7 classes. 
  Anyone Help me!!!! 
  