Update app.py

app.py

@@ -75,7 +75,7 @@ def get_ASN_data(asn_id):
         print (data)
         response.raise_for_status()  # Raises an HTTPError if the response was an error
 
-        if data['result']['content'] != "":
+        if 'result' in data and 'content' in data['result'] and data['result']['content']:
             # Assuming the first content item and first party item are what we're interested in
             content = data['result']['content'][0]
             trnHeaderAsn = content['trnHeaderAsn']