diff --git a/tox.ini b/tox.ini
index 3adf51566..965854c33 100644
--- a/tox.ini
+++ b/tox.ini
@@ -87,7 +87,7 @@ ignore = E125,E126,E128,E129,E265,H404,H405,N530
 # H904: Delay string interpolations at logging calls
 enable-extensions = H106,H203,H904
 show-source = true
-exclude = ./.*,build,dist,doc,*egg*,releasenotes
+exclude = ./.*,*lib/python*,build,dist,doc,*egg*,releasenotes,.venv
 import-order-style = pep8
 
 
@@ -96,7 +96,8 @@ import-order-style = pep8
 [openstack]
 
 deps = {[base]deps}
-passenv = {[base]passenv}
+passenv =
+    {[base]passenv}
     *_proxy
     OS_*
 setenv = {[base]setenv}
@@ -107,7 +108,8 @@ commands = {[base]commands}
 
 deps = {[openstack]deps}
 passenv = {[openstack]passenv}
-setenv = {[openstack]setenv}
+setenv =
+    {[openstack]setenv}
     OS_TEST_PATH={toxinidir}/tobiko/tests/functional
 
 
@@ -115,7 +117,8 @@ setenv = {[openstack]setenv}
 
 deps = {[openstack]deps}
 passenv = {[openstack]passenv}
-setenv = {[openstack]setenv}
+setenv =
+    {[openstack]setenv}
     OS_TEST_PATH={toxinidir}/tobiko/tests/scenario
 
 
@@ -124,7 +127,8 @@ setenv = {[openstack]setenv}
 envdir = {toxworkdir}/scenario
 deps = {[testenv:scenario]deps}
 passenv = {[testenv:scenario]passenv}
-setenv = {[testenv:scenario]setenv}
+setenv =
+    {[testenv:scenario]setenv}
     OS_TEST_PATH={toxinidir}/tobiko/tests/scenario/neutron
 
 
@@ -144,7 +148,9 @@ commands = {posargs}
 
 basepython = python3
 envdir = {toxworkdir}/docs
-deps = -r{toxinidir}/doc/requirements.txt
+deps =
+    {[base]deps}
+    -r{toxinidir}/doc/requirements.txt
 
 
 [testenv:docs]