title: ModuleNotFoundError: No module named darkflow.cli and 'nms'
body: <p>I am trying out YOLO tutorial at <a href="https://github.com/llSourcell/YOLO_Object_Detection" rel="nofollow noreferrer">https://github.com/llSourcell/YOLO_Object_Detection</a> </p>
  
  <p><strong>When I do the step:</strong></p>
  
  <pre><code>flow --h
  </code></pre>
  
  <p><strong>I got this error:</strong></p>
  
  <pre><code>File "/anaconda2/bin/flow", line 4, in &lt;module&gt;
      from darkflow.cli import cliHandler
  ImportError: No module named darkflow.cli
  </code></pre>
  
  <p>I have tried to find solution everywhere but no luck. Then I tried skip that line and continue...</p>
  
  <pre><code>flow --model cfg/yolo-new.cfg --load bin/yolo-tiny.weights --train --gpu 1.0
  </code></pre>
  
  <p><strong>I got this error:</strong></p>
  
  <pre><code>Traceback (most recent call last):
    File "flow", line 4, in &lt;module&gt;
      from darkflow.cli import cliHandler
    File "./YOLO_Object_Detection/darkflow/cli.py", line 3, in &lt;module&gt;
      from .net.build import TFNet
    File "./YOLO_Object_Detection/darkflow/net/build.py", line 7, in &lt;module&gt;
      from .framework import create_framework
    File "./YOLO_Object_Detection/darkflow/net/framework.py", line 1, in &lt;module&gt;
      from . import yolo
    File "./YOLO_Object_Detection/darkflow/net/yolo/__init__.py", line 2, in &lt;module&gt;
      from . import predict
    File "./YOLO_Object_Detection/darkflow/net/yolo/predict.py", line 7, in &lt;module&gt;
      from ...cython_utils.cy_yolo_findboxes import yolo_box_constructor
    File "darkflow/cython_utils/cy_yolo_findboxes.pyx", line 1, in init darkflow.cython_utils.cy_yolo_findboxes
      import numpy as np
  ModuleNotFoundError: No module named 'nms'
  </code></pre>
  
  <p>Any help appreciated. Thank you</p>