fix remove requests field

apps/output.py

@@ -271,7 +271,7 @@ def map_requests(params, data):
 
     for code, requests in data:
         country = codes.get(code)
-        if country:
+        if country and requests:
             for i, name in enumerate(geodata["name"]):
                 if country.lower() in name:
                     geodata["requests"][i] += requests