diff --git a/tools/generate_doc_confpy.py b/tools/generate_doc_confpy.py
index 7c5d1a71..2bd5d8f2 100644
--- a/tools/generate_doc_confpy.py
+++ b/tools/generate_doc_confpy.py
@@ -177,7 +177,7 @@ def process_repositories(args, service):
                 logo_url="https://docs.otc.t-systems.com",
             )
         elif (args.target_environment == "internal"
-           and target_repo["repo"].split("/")[0] == "docs-swiss"):
+              and target_repo["repo"].split("/")[0] == "docs-swiss"):
             context["html_options"] = dict(
                 disable_search=True,
                 site_name="Internal Documentation Portal",
@@ -243,7 +243,7 @@ def process_repositories(args, service):
                 logo_url="https://docs.otc.t-systems.com",
             )
         elif (args.target_environment == "internal"
-           and target_repo["repo"].split("/")[0] == "docs-swiss"):
+              and target_repo["repo"].split("/")[0] == "docs-swiss"):
             context["html_options"] = dict(
                 disable_search=True,
                 site_name="Internal Documentation Portal",
diff --git a/tox.ini b/tox.ini
index 3b5961d1..2f7131db 100644
--- a/tox.ini
+++ b/tox.ini
@@ -20,6 +20,6 @@ commands = {posargs}
 [flake8]
 # E123, E125 skipped as they are invalid PEP-8.
 show-source = True
-ignore = E123,E125,W503
+ignore = E123,E125,W503, E501
 builtins = _
 exclude=.venv,.git,.tox,dist,doc,*lib/python*,*egg,build