typo in error catch

create_snapshot_backup.py

@@ -48,7 +48,7 @@ def remote_call(arguments):
     cmd.extend(arguments)
     try:
         result = call(cmd, as_text=True)
-    except CalledProcessError as e:
+    except subprocess.CalledProcessError as e:
         print("STDERR:", e.stderr)
         raise