title: Python 3.4.3 - Error Pyshark capture.sniff()
body: <p>Here is my code: </p>
  
  <pre><code>import pyshark
  capture = pyshark.LiveCapture(interface='en0')
  capture.sniff()
  </code></pre>
  
  <p>Now here is the error:</p>
  
  <pre><code>Traceback (most recent call last):
  File "&lt;pyshell#2&gt;", line 1, in &lt;module&gt;
  capture.sniff()
  File "/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/site-packages/pyshark/capture/capture.py", line 109, in load_packets
  self.apply_on_packets(keep_packet, timeout=timeout)
  File "/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/site-packages/pyshark/capture/capture.py", line 201, in apply_on_packets
  return self.eventloop.run_until_complete(coro)
  File "/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/site-packages/trollius/base_events.py", line 350, in run_until_complete
  return future.result()
  File "/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/site-packages/trollius/futures.py", line 286, in result
  raise self._exception
  File "/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/site-packages/trollius/tasks.py", line 250, in _step
  result = coro.throw(exc)
  File "/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/site-packages/pyshark/capture/capture.py", line 212, in packets_from_tshark
  tshark_process = yield  From(self._get_tshark_process(packet_count=packet_count))
  File "/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/site-packages/trollius/tasks.py", line 252, in _step
  result = coro.send(value)
  File "/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/site-packages/pyshark/capture/capture.py", line 298, in _get_tshark_process
  parameters = [get_tshark_path(self.tshark_path), '-l', '-n', '-T', xml_type] + self.get_parameters(packet_count=packet_count)
  File "/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/site-packages/pyshark/tshark/tshark.py", line 93, in get_tshark_path
  'Search these paths: {}'.format(possible_paths)
  pyshark.tshark.tshark.TSharkNotFoundException: TShark not found. Try adding its location to the configuration file. Search these paths: ['C:\\Program Files\\Wireshark\\tshark.exe', '/usr/bin/tshark', '/bin/tshark', '/usr/sbin/tshark', '/sbin/tshark']
  </code></pre>
  
  <p>I am running mac os 10.10.x with python 3.4.3
  Installed pyshark with <code>sudo pip3 install pyshark</code></p>