Get SSE lightning strikes from the Norwegian Meteorological Institute at https://lyn.met.no/events

lyn_met_no_SSE_client.py

#!/usr/bin/python3
from sseclient import SSEClient
import json

# get the stream
thundercloud = SSEClient('https://lyn.met.no/events')

# keep checking for new lighning strikes
for lightning in thundercloud:

	# check if set is empty
	if(lightning.data != None or lightning.data != ""):

		# check for line breaks / new lines and act accordingly
		if ('\n' in lightning.data):

			# temporary list to dump data in
			lines = []

			# temporary list to dump json in
			temp_list = []

			# remove escapes and dumps into list
			lines.extend(lightning.data.split())
			
			# make json out of data
			for line in lines:
				json_obj = json.loads(line)
				temp_list.extend(json_obj)

			# print json in list
			for i in temp_list:
				print("Latitude: %a, Longitude: %a" % (i['Point'][1], i['Point'][0]))

		else:
			# if no linebreaks detected

			# make json 
			data = json.loads(lightning.data)

			# print json
			print("Latitude: %a, Longitude: %a" % (data[0]['Point'][1], data[0]['Point'][0]))
	
	else:
		
		# if set is empty
		print(": heartbeat")

Every so often I will get this error:

Traceback (most recent call last):
  File "\lyn_met_no_SSE_client.py", line 46, in <module>
    data = json.loads(lightning.data)
  File "\Python39\lib\json\__init__.py", line 346, in loads
    return _default_decoder.decode(s)
  File "\Python39\lib\json\decoder.py", line 337, in decode
    obj, end = self.raw_decode(s, idx=_w(s, 0).end())
  File "\Python39\lib\json\decoder.py", line 355, in raw_decode
    raise JSONDecodeError("Expecting value", s, err.value) from None
json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)

I thought it might be due to an empty message, but I don't think that's it. Hope someone can help!