[Chore] Linted Files (#150)

Co-authored-by: Tim Lorsbach <tim@lorsba.ch>
Reviewed-on: enviPath/enviPy#150

epdb/management/commands/import_legacy_package.py

@@ -1,27 +1,29 @@
+import json
+
 from django.core.management.base import BaseCommand
+from django.db import transaction
 
 from epdb.logic import PackageManager
-from epdb.models import *
+from epdb.models import User
 
 
 class Command(BaseCommand):
-
     def add_arguments(self, parser):
         parser.add_argument(
-            '--data',
+            "--data",
             type=str,
-            help='Path of the Package to import.',
+            help="Path of the Package to import.",
             required=True,
         )
         parser.add_argument(
-            '--owner',
+            "--owner",
             type=str,
-            help='Username of the desired Owner.',
+            help="Username of the desired Owner.",
             required=True,
         )
 
     @transaction.atomic
     def handle(self, *args, **options):
-        owner = User.objects.get(username=options['owner'])
-        package_data = json.load(open(options['data']))
+        owner = User.objects.get(username=options["owner"])
+        package_data = json.load(open(options["data"]))
         PackageManager.import_legacy_package(package_data, owner)