Dont error if vaccination data isnt available

app/corona.py

@@ -80,7 +80,10 @@ def get_vaccination_data(location):
       cols = [ele.text.strip() for ele in cols]
       data.append([ele for ele in cols if ele]) # Get rid of empty values
 
+  try:
     state_name, num_vaccinated, population, percent_vaccinated = list(filter(lambda x: x[0] == location, data))[0]
+  except Exception:
+    return "Not available for %s" % location
   return percent_vaccinated
 
 def parse_message(message):