Update nvd_os_app_custom_field.py

NVD OS vs Application Vulnerabilities/nvd_os_app_custom_field.py

@@ -4,10 +4,12 @@
 import json
 import gzip
 import io
+import os
 from collections import defaultdict
 import sys
 
-token_variable = 'API_KEY' # replace with your actual token
+
+token_variable = os.environ.get('API_KEY')
 base_url = "https://api.kennasecurity.com"
 
 def request_data_export(token_variable):
@@ -255,4 +257,4 @@ def send_bulk_updates(ids, app_or_os, custom_field_id, token_variable):
         send_bulk_updates(batch, custom_field_value, custom_field_id, token_variable)
         time.sleep(0.2)  # Add a delay of 0.2 seconds between each request
         ids = ids[thresh_num:]
-
+