lib: fix imports being changed every time

passbook/lib/management/commands/bootstrap.py

@@ -1,10 +1,10 @@
 """passbook management command to bootstrap"""
 from argparse import REMAINDER
 from subprocess import Popen  # nosec
-
-# pylint: disable=redefined-builtin
-from sys import exit, stderr, stdin, stdout
+from sys import stderr, stdin, stdout
+from sys import exit as _exit
 from time import sleep
+from typing import List
 
 from django.core.management.base import BaseCommand
 from django.db import connection
@@ -54,13 +54,12 @@ class Command(BaseCommand):
             should_check = not (self.check_database() and self.check_cache())
             sleep(1)
         LOGGER.info("Dependencies are up, starting command...")
-        proc = Popen(
-            args=options.get("command"), stdout=stdout, stderr=stderr, stdin=stdin
-        )  # nosec
+        commands: List[str] = options.get("command", ["exit", "1"])
+        proc = Popen(args=commands, stdout=stdout, stderr=stderr, stdin=stdin)  # nosec
         try:
             proc.wait()
-            exit(proc.returncode)
+            _exit(proc.returncode)
         except KeyboardInterrupt:
             LOGGER.info("Killing process")
             proc.kill()
-            exit(254)
+            _exit(254)