Does not work in Jupyter environment

[arkanoid87]

---------------------------------------------------------------------------
RuntimeError                              Traceback (most recent call last)
<ipython-input-4-82bea76dc231> in <module>
      1 mac = MacLookup()
----> 2 mac.update_vendors()
      3 
      4 #def find_mac(mac_address):
      5 #    print(mac.lookup(mac_address))

/opt/conda/lib/python3.7/site-packages/mac_vendor_lookup.py in update_vendors(self, url)
    105 
    106     def update_vendors(self, url=OUI_URL):
--> 107         return self.loop.run_until_complete(self.async_lookup.update_vendors(url))
    108 
    109     def lookup(self, mac):

/opt/conda/lib/python3.7/asyncio/base_events.py in run_until_complete(self, future)
    569         future.add_done_callback(_run_until_complete_cb)
    570         try:
--> 571             self.run_forever()
    572         except:
    573             if new_task and future.done() and not future.cancelled():

/opt/conda/lib/python3.7/asyncio/base_events.py in run_forever(self)
    524         self._check_closed()
    525         if self.is_running():
--> 526             raise RuntimeError('This event loop is already running')
    527         if events._get_running_loop() is not None:
    528             raise RuntimeError(

RuntimeError: This event loop is already running

[bauerj]

Hey,

this seems to be an issue with ipython: https://medium.com/@vyshali.enukonda/how-to-get-around-runtimeerror-this-event-loop-is-already-running-3f26f67e762e

Can you try if the workaround there works for you?

[arkanoid87]

I confirm the the proposed workaround fixes the problem