diff --git a/.travis.yml b/.travis.yml
index 498caabb..0ec1e5cf 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,15 +12,15 @@ cache:
 install:
 - |
   if [ "$TEST_TYPE" = build ]; then
-    pip install --download-cache $HOME/.cache/pip/ pytest pytest-cov coveralls six pytest-django django-filter sqlalchemy_utils
-    pip install --download-cache $HOME/.cache/pip psycopg2 > /dev/null 2>&1
-    pip install --download-cache $HOME/.cache/pip/ -e .
-    pip install --download-cache $HOME/.cache/pip/ -e .[django]
-    pip install --download-cache $HOME/.cache/pip/ -e .[sqlalchemy]
+    pip install pytest pytest-cov coveralls six pytest-django django-filter sqlalchemy_utils
+    pip install psycopg2 > /dev/null 2>&1
+    pip install -e .
+    pip install -e .[django]
+    pip install -e .[sqlalchemy]
     pip install django==$DJANGO_VERSION
     python setup.py develop
   elif [ "$TEST_TYPE" = lint ]; then
-    pip install --download-cache $HOME/.cache/pip/ flake8
+    pip install flake8
   fi
 script:
 - |
diff --git a/graphene/relay/tests/test_query.py b/graphene/relay/tests/test_query.py
index 0c5f0fd2..1603709e 100644
--- a/graphene/relay/tests/test_query.py
+++ b/graphene/relay/tests/test_query.py
@@ -19,6 +19,7 @@ class MyNode(relay.Node):
     def get_node(cls, id, info):
         return MyNode(id=id, name='mo')
 
+
 class MyObject(graphene.ObjectType):
     name = graphene.String()
 
@@ -32,10 +33,12 @@ class SpecialNode(relay.Node):
         value = "!!!" if context.get('is_special') else "???"
         return SpecialNode(id=id, value=value)
 
+
 def _create_my_node_edge(myNode):
     edge_type = relay.Edge.for_node(MyNode)
     return edge_type(node=myNode, cursor=str(myNode.id))
 
+
 class Query(graphene.ObjectType):
     my_node = relay.NodeField(MyNode)
     my_node_lazy = relay.NodeField('MyNode')