check for latitude and longitude before accessing them (#68)

utils/template_filters.py

@@ -263,6 +263,7 @@ def has_place(note):
 def get_place(note):
     if note.get("location") and note["location"].get("type") == "Place":
         tag = note["location"]
+        if tag.get("latitude") and tag.get("longitude"):
             lat = tag["latitude"]
             lng = tag["longitude"]
             out = ""
@@ -281,6 +282,8 @@ def get_place(note):
 
         return ""
 
+    return ""
+
 
 @filters.app_template_filter()
 def poll_answer_key(choice: str) -> str: