Reformat with latest black version (18.9b0)

Author: Cito

.travis.yml

@@ -12,9 +12,13 @@ install:
     - pipenv install --dev
 
 script:
+    - flake8 --version
     - flake8 graphql tests
+    - black --version
     - black graphql tests --check
+    - mypy --version
     - mypy graphql
+    - pytest --version
     - pytest --cov-report term-missing --cov=graphql
 
 after_success:

Pipfile

@@ -5,8 +5,7 @@ name = "pypi"
 
 [dev-packages]
 graphql-core-next = {path = ".", editable = true}
-# Line below commented as causes issues with Pipenv
-# black = "18.6b4"
+# black = "*"
 flake8 = "*"
 mypy = "*"
 pytest = "*"
@@ -17,3 +16,4 @@ sphinx = "*"
 sphinx_rtd_theme = "*"
 python-coveralls = "*"
 pytest-cov = "*"
+

graphql/type/scalars.py

@@ -28,8 +28,8 @@
 # n.b. JavaScript's integers are safe between -(2^53 - 1) and 2^53 - 1 because
 # they are internally represented as IEEE 754 doubles,
 # while Python's integers may be arbitrarily large.
-MAX_INT = 2147483647
-MIN_INT = -2147483648
+MAX_INT = 2_147_483_647
+MIN_INT = -2_147_483_648
 
 
 def serialize_int(value: Any) -> int:

setup.py

@@ -37,6 +37,7 @@
         "pytest-asyncio",
         "pytest-cov",
         "pytest-describe",
+        "black",
         "flake8",
         "mypy",
         "tox",

tests/subscription/test_map_async_iterator.py

@@ -260,12 +260,12 @@ async def source():
 
         # Make sure it is blocked
         doubles_future = ensure_future(anext(doubles))
-        await sleep(.05)
+        await sleep(0.05)
         assert not doubles_future.done()
 
         # Unblock and watch StopAsyncIteration propagate
         await doubles.aclose()
-        await sleep(.05)
+        await sleep(0.05)
         assert doubles_future.done()
         assert isinstance(doubles_future.exception(), StopAsyncIteration)
 

tests/type/test_introspection.py

@@ -13,7 +13,7 @@
 )
 from graphql.utilities import get_introspection_query
 from graphql.validation.rules.provided_required_arguments import (
-    missing_field_arg_message
+    missing_field_arg_message,
 )
 
 

tests/utilities/test_coerce_value.py

@@ -164,14 +164,16 @@ def returns_a_single_error_for_string_input():
             ]
 
     def describe_for_graphql_enum():
-        TestEnum = GraphQLEnumType("TestEnum", {"FOO": "InternalFoo", "BAR": 123456789})
+        TestEnum = GraphQLEnumType(
+            "TestEnum", {"FOO": "InternalFoo", "BAR": 123_456_789}
+        )
 
         def returns_no_error_for_a_known_enum_name():
             foo_result = coerce_value("FOO", TestEnum)
             assert expect_value(foo_result) == "InternalFoo"
 
             bar_result = coerce_value("BAR", TestEnum)
-            assert expect_value(bar_result) == 123456789
+            assert expect_value(bar_result) == 123_456_789
 
         def results_error_for_misspelled_enum_value():
             result = coerce_value("foo", TestEnum)

tests/validation/test_executable_definitions.py

@@ -1,6 +1,6 @@
 from graphql.validation import ExecutableDefinitionsRule
 from graphql.validation.rules.executable_definitions import (
-    non_executable_definitions_message
+    non_executable_definitions_message,
 )
 
 from .harness import expect_fails_rule, expect_passes_rule

tests/validation/test_lone_anonymous_operation.py

@@ -1,6 +1,6 @@
 from graphql.validation import LoneAnonymousOperationRule
 from graphql.validation.rules.lone_anonymous_operation import (
-    anonymous_operation_not_alone_message
+    anonymous_operation_not_alone_message,
 )
 
 from .harness import expect_fails_rule, expect_passes_rule

tests/validation/test_overlapping_fields_can_be_merged.py

@@ -11,7 +11,7 @@
 )
 from graphql.validation import OverlappingFieldsCanBeMergedRule
 from graphql.validation.rules.overlapping_fields_can_be_merged import (
-    fields_conflict_message
+    fields_conflict_message,
 )
 
 from .harness import (