Omit interfaces from coverage

cloudbridge/providers/ec2/__init__.py

@@ -3,4 +3,4 @@ Exports from this provider
 """
 
 from .impl import EC2CloudProviderV1
-from .types import EC2Instance
+from .types import EC2Instance

tox.ini

@@ -12,7 +12,7 @@ passenv = EC2_ACCESS_KEY EC2_SECRET_KEY OS_AUTH_URL OS_PASSWORD OS_TENANT_NAME O
 
 # Run coverage for python27 - omit interfaces.py since it's a behaviour spec only.
 [testenv:py27]
-commands = {envpython} -m coverage run --branch --source=cloudbridge --omit=cloudbridge/providers/interfaces.py setup.py test
+commands = {envpython} -m coverage run --branch --source=cloudbridge --omit=cloudbridge/providers/interfaces/* setup.py test
 passenv = EC2_ACCESS_KEY EC2_SECRET_KEY OS_AUTH_URL OS_PASSWORD OS_TENANT_NAME OS_USERNAME CB_AMI CB_INSTANCE_TYPE CB_IMAGE CB_FLAVOR CB_TEST_PROVIDER
 deps =
     coverage