diff --git a/mopidy_raspberry_gpio/frontend.py b/mopidy_raspberry_gpio/frontend.py
index 708b59e..166f744 100644
--- a/mopidy_raspberry_gpio/frontend.py
+++ b/mopidy_raspberry_gpio/frontend.py
@@ -6,7 +6,6 @@ from mopidy import core
 
 import pykka
 
-from.pinconfig import PinConfig
 
 logger = logging.getLogger(__name__)
 
@@ -27,13 +26,10 @@ class RaspberryGPIOFrontend(pykka.ThreadingActor, core.CoreListener):
         for key in self.config:
             if key.startswith("bcm"):
                 pin = int(key.replace("bcm", ""))
-                # settings = PinConfig().deserialize(
-                #     self.config[key]
-                # )
                 settings = self.config[key]
                 if settings is None:
                     continue
-                
+
                 pull = GPIO.PUD_UP
                 edge = GPIO.FALLING
                 if settings.active == 'active_high':
diff --git a/tests/test_frontend.py b/tests/test_frontend.py
index 2f9579a..60105b8 100644
--- a/tests/test_frontend.py
+++ b/tests/test_frontend.py
@@ -6,12 +6,16 @@ import mock
 
 import pytest
 
-from mopidy_raspberry_gpio import Extension, frontend as frontend_lib
+from mopidy_raspberry_gpio import Extension, pinconfig
+from mopidy_raspberry_gpio import frontend as frontend_lib
 
 
+deserialize = pinconfig.PinConfig().deserialize
+
 dummy_config = {
     "raspberry-gpio": {
-        "bcm1": "play_pause,active_low,30"
+        # Plugins expect settings to be deserialized
+        "bcm1": deserialize("play_pause,active_low,30")
     }
 }
 
diff --git a/tox.ini b/tox.ini
index abd989b..1e07a84 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py27, flake8, check-manifest
+envlist = py27, py27-flake8, py27-check-manifest
 
 [testenv]
 sitepackages = true
@@ -15,14 +15,13 @@ commands =
         --cov=mopidy_raspberry_gpio --cov-report=term-missing \
         {posargs}
 
-[testenv:flake8]
+[testenv:py27-flake8]
 deps =
     flake8
     flake8-import-order
 skip_install = true
 commands = python -m flake8
 
-[testenv:check-manifest]
+[testenv:py27-check-manifest]
 deps = check-manifest
-skip_install = true
-commands = python -m check-manifest
+commands = check-manifest