fix build

.gitignore

@@ -45,6 +45,7 @@ nosetests.xml
 coverage.xml
 *.cover
 .pytest_cache/
+.python-version
 
 # PyBuilder
 target/

graphql/execution/executor.py

@@ -529,7 +529,7 @@ def complete_value(
             lambda resolved: complete_value(
                 exe_context, return_type, field_asts, info, path, resolved
             ),
-            lambda error: Promise.rejected(
+            lambda error: Promise.rejected(  # type: ignore
                 GraphQLLocatedError(field_asts, original_error=error, path=path)
             ),
         )
@@ -602,7 +602,7 @@ def complete_list_value(
         completed_results.append(completed_item)
         index += 1
 
-    return Promise.all(completed_results) if contains_promise else completed_results
+    return Promise.all(completed_results) if contains_promise else completed_results  # type: ignore
 
 
 def complete_leaf_value(
@@ -711,7 +711,7 @@ def complete_object_value(
 
     # Collect sub-fields to execute to complete this value.
     subfield_asts = exe_context.get_sub_fields(return_type, field_asts)
-    return execute_fields(exe_context, return_type, result, subfield_asts, path, info)
+    return execute_fields(exe_context, return_type, result, subfield_asts, path, info)  # type: ignore
 
 
 def complete_nonnull_value(

graphql/execution/executors/thread.py

@@ -35,7 +35,7 @@ def clean(self):
 
     def execute_in_thread(self, fn, *args, **kwargs):
         # type: (Callable, *Any, **Any) -> Promise
-        promise = Promise()
+        promise = Promise()  # type: ignore
         thread = Thread(target=process, args=(promise, fn, args, kwargs))
         thread.start()
         self.threads.append(thread)

tox.ini

@@ -3,12 +3,7 @@ envlist = py27,py34,py35,py36,py37,pre-commit,pypy,mypy,docs
 
 [testenv]
 deps =
-    pytest>=3.3,<4.0
-    gevent>=1.1
-    promise>=2.0
-    six>=1.10.0
-    pytest-mock
-    pytest-benchmark
+    .[test]
 commands =
     py{27,34,py}: py.test graphql tests {posargs}
     py{35,36,37}: py.test graphql tests tests_py35 {posargs}