From 71c99d892f5ac96751fb4efaa7676a08857b5cf2 Mon Sep 17 00:00:00 2001
From: Pim <36573021+PimSanders@users.noreply.github.com>
Date: Wed, 31 May 2023 21:00:48 +0200
Subject: [PATCH] Update __init__.py

---
 docker_challenges/__init__.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/docker_challenges/__init__.py b/docker_challenges/__init__.py
index 190ef35..36aa88a 100644
--- a/docker_challenges/__init__.py
+++ b/docker_challenges/__init__.py
@@ -274,9 +274,10 @@ def get_unavailable_ports(docker):
     r = do_request(docker, '/containers/json?all=1')
     result = list()
     for i in r.json():
-        if not i['Ports'] == []:
+        if i.get('Ports'):
             for p in i['Ports']:
-                result.append(p['PublicPort'])
+                if 'PublicPort' in p:
+                    result.append(p['PublicPort'])
     return result