Add check for missing collection dates

custom_components/waste_collection_schedule/waste_collection_schedule/source/exeter_gov_uk.py

@@ -29,7 +29,6 @@ class Source:
         self._uprn = str(uprn)
 
     def fetch(self):
-
         s = requests.Session()
         r = s.get(
             f"https://exeter.gov.uk/repositories/hidden-pages/address-finder/?qsource=UPRN&qtype=bins&term={self._uprn}"
@@ -41,7 +40,9 @@ class Source:
         dates = soup.findAll("h3")
 
         entries = []
-        for (b, d) in zip(bins, dates):
+        for b, d in zip(bins, dates):
+            # check cases where no date is given for a collection
+            if d and len(d.text.split(",")) > 1:
                 entries.append(
                     Collection(
                         date=datetime.strptime(