Use xml.etree.ElementTree instead of lxml.etree (#20)

Fixes #17

Author: MiraGeowerkstatt

swiss_locator/swiss_locator_filter.py

@@ -47,7 +47,7 @@
 
 from urllib.parse import urlparse, parse_qs
 
-import lxml.etree as ET
+import xml.etree.ElementTree as ET
 
 AVAILABLE_CRS = ('2056', '21781')
 AVAILABLE_LANGUAGES = {'German': 'de',