#390: send_document(): Exit the program in case an HTTPError exception is raised

• Revert change on membership test

silkaj/network_tools.py

@@ -90,4 +90,4 @@ def send_document(bma_path, document):
         client(bma_path, document.signed_raw())
         print(f"{doc_name} successfully sent")
     except urllib.error.HTTPError as e:
-        print(f"Error while publishing {doc_name.lower()}: {e}")
+        sys.exit(f"Error while publishing {doc_name.lower()}: {e}")