Fix some IDE warnings, mostly around type safety on the Python side

spotproviders/wota.py

@@ -1,9 +1,11 @@
 import logging
 import re
 from datetime import datetime
+from typing import cast
 
 import pytz
 from rss_parser import Parser
+from rss_parser.models.rss import RSS
 
 from data.sig_ref import SIGRef
 from data.spot import Spot
@@ -23,7 +25,7 @@ class WOTA(HTTPSpotProvider):
 
     def _http_response_to_spots(self, http_response):
         new_spots = []
-        rss = Parser.parse(http_response.content.decode())
+        rss = cast(RSS, Parser.parse(http_response.content.decode()))
         # Iterate through source data
         for source_spot in rss.channel.items:
 
@@ -39,9 +41,9 @@ class WOTA(HTTPSpotProvider):
                 ref_name = None
                 if len(title_split) > 1:
                     ref_split = title_split[1].split(" - ")
-                    ref = ref_split[0]
+                    ref = str(ref_split[0])
                     if len(ref_split) > 1:
-                        ref_name = ref_split[1]
+                        ref_name = str(ref_split[1])
 
                 # Pick apart the description
                 desc_split = source_spot.description.split(". ")