Fixed lint & imports

.travis.yml

@@ -9,8 +9,6 @@ matrix:
       python: 3.5
     - env: TOXENV=py36
       python: 3.6
-    - env: TOXENV=py37
-      python: 3.7
     - env: TOXENV=pypy
       python: pypy-5.7.1
     - env: TOXENV=pre-commit

graphene/utils/thenables.py

@@ -18,7 +18,7 @@ try:
     from .thenables_asyncio import await_and_execute
 except ImportError:
 
-    def isawaitable(obj):
+    def isawaitable(obj):  # type: ignore
         return False
 
 

graphene/utils/thenables_asyncio.py

@@ -3,4 +3,3 @@ def await_and_execute(obj, on_resolve):
         return on_resolve(await obj)
 
     return build_resolve_async()
-

tests_asyncio/test_relay_mutation.py

@@ -1,16 +1,7 @@
 import pytest
 from graphql.execution.executors.asyncio import AsyncioExecutor
 
-from graphene.types import (
+from graphene.types import ID, Field, ObjectType, Schema
-    ID,
-    Argument,
-    Field,
-    InputField,
-    InputObjectType,
-    NonNull,
-    ObjectType,
-    Schema,
-)
 from graphene.types.scalars import String
 from graphene.relay.mutation import ClientIDMutation