title: I am getting error AttributeError: module 'lightblue' has no attribute 'finddevices' in MacOS
body: <p>I am using below code on MacOS using python3 :</p>
  <pre><code>nearby_devices = bluetooth.discover_devices(duration=8,lookup_names=True,flush_cache=True,lookup_class=False)
  </code></pre>
  <p>When I run the code , I am getting below error:</p>
  <pre><code>Traceback (most recent call last):
    File &quot;bt_ota.py&quot;, line 11, in &lt;module&gt;
      nearby_devices = bluetooth.discover_devices(duration=4,lookup_names=True,flush_cache=True,lookup_class=False)
    File &quot;/Users/kumargaurav/anaconda3/lib/python3.8/site-packages/bluetooth/osx.py&quot;, line 12, in discover_devices
      devices = lightblue.finddevices(getnames=lookup_names, length=duration)
  AttributeError: module 'lightblue' has no attribute 'finddevices'
  </code></pre>
  <p>I have installed python-lightblue using pip install python-lightblue, but still I am getting the error.
  Please Help.</p>