run black over stubs, add checking to travis

django-stubs-generated/contrib/postgres/fields/array.pyi

@@ -7,8 +7,7 @@ from django.db.models.lookups import Exact, In
 
 from .mixins import CheckFieldDefaultMixin
 
-_T = TypeVar('_T', bound=Field)
-
+_T = TypeVar("_T", bound=Field)
 
 class ArrayField(CheckFieldDefaultMixin, Field, Generic[_T]):
     empty_strings_allowed: bool = ...
@@ -17,10 +16,7 @@ class ArrayField(CheckFieldDefaultMixin, Field, Generic[_T]):
     size: Any = ...
     default_validators: Any = ...
     from_db_value: Any = ...
-
-    def __init__(
-        self, base_field: Field, size: None = ..., **kwargs: Any
-    ) -> None: ...
+    def __init__(self, base_field: Field, size: None = ..., **kwargs: Any) -> None: ...
     @property
     def model(self): ...
     @model.setter
@@ -30,14 +26,8 @@ class ArrayField(CheckFieldDefaultMixin, Field, Generic[_T]):
     @property
     def description(self): ...
     def db_type(self, connection: Any): ...
-    def get_db_prep_value(
-        self, value: Any, connection: Any, prepared: bool = ...
-    ): ...
-    def deconstruct(
-        self
-    ) -> Tuple[
-        None, str, List[Any], Dict[str, Optional[Union[bool, Field]]]
-    ]: ...
+    def get_db_prep_value(self, value: Any, connection: Any, prepared: bool = ...): ...
+    def deconstruct(self) -> Tuple[None, str, List[Any], Dict[str, Optional[Union[bool, Field]]]]: ...
     def to_python(self, value: Any): ...
     def value_to_string(self, obj: Any): ...
     def get_transform(self, name: Any): ...
@@ -69,9 +59,7 @@ class ArrayInLookup(In):
 class IndexTransform(Transform):
     index: Any = ...
     base_field: Any = ...
-    def __init__(
-        self, index: Any, base_field: Any, *args: Any, **kwargs: Any
-    ) -> None: ...
+    def __init__(self, index: Any, base_field: Any, *args: Any, **kwargs: Any) -> None: ...
     def as_sql(self, compiler: Any, connection: Any): ...
     @property
     def output_field(self): ...
@@ -85,9 +73,7 @@ class IndexTransformFactory:
 class SliceTransform(Transform):
     start: Any = ...
     end: Any = ...
-    def __init__(
-        self, start: Any, end: Any, *args: Any, **kwargs: Any
-    ) -> None: ...
+    def __init__(self, start: Any, end: Any, *args: Any, **kwargs: Any) -> None: ...
     def as_sql(self, compiler: Any, connection: Any): ...
 
 class SliceTransformFactory:

django-stubs-generated/contrib/postgres/fields/jsonb.pyi

@@ -8,15 +8,9 @@ from django.db.models import lookups as builtin_lookups
 
 from .mixins import CheckFieldDefaultMixin
 
-
 class JsonAdapter(Json):
     encoder: Any = ...
-    def __init__(
-        self,
-        adapted: Any,
-        dumps: Optional[Any] = ...,
-        encoder: Optional[Any] = ...,
-    ) -> None: ...
+    def __init__(self, adapted: Any, dumps: Optional[Any] = ..., encoder: Optional[Any] = ...) -> None: ...
     def dumps(self, obj: Any): ...
 
 class JSONField(CheckFieldDefaultMixin, Field):
@@ -25,18 +19,10 @@ class JSONField(CheckFieldDefaultMixin, Field):
     default_error_messages: Any = ...
     encoder: Any = ...
     def __init__(
-        self,
-        verbose_name: None = ...,
-        name: None = ...,
-        encoder: Optional[Type[DjangoJSONEncoder]] = ...,
-        **kwargs: Any
+        self, verbose_name: None = ..., name: None = ..., encoder: Optional[Type[DjangoJSONEncoder]] = ..., **kwargs: Any
     ) -> None: ...
     def db_type(self, connection: Any): ...
-    def deconstruct(
-        self
-    ) -> Tuple[
-        None, str, List[Any], Dict[str, Union[Type[DjangoJSONEncoder], bool]]
-    ]: ...
+    def deconstruct(self) -> Tuple[None, str, List[Any], Dict[str, Union[Type[DjangoJSONEncoder], bool]]]: ...
     def get_transform(self, name: Any): ...
     def get_prep_value(self, value: Any): ...
     def validate(self, value: Any, model_instance: Any) -> None: ...
@@ -56,32 +42,16 @@ class KeyTextTransform(KeyTransform):
     output_field: Any = ...
 
 class KeyTransformTextLookupMixin:
-    def __init__(
-        self, key_transform: Any, *args: Any, **kwargs: Any
-    ) -> None: ...
+    def __init__(self, key_transform: Any, *args: Any, **kwargs: Any) -> None: ...
 
-class KeyTransformIExact(
-    KeyTransformTextLookupMixin, builtin_lookups.IExact
-): ...
-class KeyTransformIContains(
-    KeyTransformTextLookupMixin, builtin_lookups.IContains
-): ...
-class KeyTransformStartsWith(
-    KeyTransformTextLookupMixin, builtin_lookups.StartsWith
-): ...
-class KeyTransformIStartsWith(
-    KeyTransformTextLookupMixin, builtin_lookups.IStartsWith
-): ...
-class KeyTransformEndsWith(
-    KeyTransformTextLookupMixin, builtin_lookups.EndsWith
-): ...
-class KeyTransformIEndsWith(
-    KeyTransformTextLookupMixin, builtin_lookups.IEndsWith
-): ...
+class KeyTransformIExact(KeyTransformTextLookupMixin, builtin_lookups.IExact): ...
+class KeyTransformIContains(KeyTransformTextLookupMixin, builtin_lookups.IContains): ...
+class KeyTransformStartsWith(KeyTransformTextLookupMixin, builtin_lookups.StartsWith): ...
+class KeyTransformIStartsWith(KeyTransformTextLookupMixin, builtin_lookups.IStartsWith): ...
+class KeyTransformEndsWith(KeyTransformTextLookupMixin, builtin_lookups.EndsWith): ...
+class KeyTransformIEndsWith(KeyTransformTextLookupMixin, builtin_lookups.IEndsWith): ...
 class KeyTransformRegex(KeyTransformTextLookupMixin, builtin_lookups.Regex): ...
-class KeyTransformIRegex(
-    KeyTransformTextLookupMixin, builtin_lookups.IRegex
-): ...
+class KeyTransformIRegex(KeyTransformTextLookupMixin, builtin_lookups.IRegex): ...
 
 class KeyTransformFactory:
     key_name: Any = ...

django-stubs-generated/contrib/postgres/fields/mixins.pyi

@@ -1,5 +1,4 @@
 from typing import Any, List, Optional
 
-
 class CheckFieldDefaultMixin:
     def check(self, **kwargs: Any) -> List[Any]: ...

django-stubs-generated/contrib/postgres/fields/ranges.pyi

@@ -3,7 +3,6 @@ from typing import Any, Optional
 from django.contrib.postgres import lookups
 from django.db import models
 
-
 class RangeField(models.Field):
     empty_strings_allowed: bool = ...
     base_field: Any = ...

django-stubs-generated/contrib/postgres/operations.pyi

@@ -4,22 +4,15 @@ from django.db.backends.sqlite3.schema import DatabaseSchemaEditor
 from django.db.migrations.operations.base import Operation
 from django.db.migrations.state import ProjectState
 
-
 class CreateExtension(Operation):
     reversible: bool = ...
     name: Any = ...
     def __init__(self, name: str) -> None: ...
     def state_forwards(self, app_label: str, state: ProjectState) -> None: ...
     def database_forwards(
-        self,
-        app_label: str,
-        schema_editor: DatabaseSchemaEditor,
-        from_state: ProjectState,
-        to_state: ProjectState,
-    ) -> None: ...
-    def database_backwards(
-        self, app_label: Any, schema_editor: Any, from_state: Any, to_state: Any
+        self, app_label: str, schema_editor: DatabaseSchemaEditor, from_state: ProjectState, to_state: ProjectState
     ) -> None: ...
+    def database_backwards(self, app_label: Any, schema_editor: Any, from_state: Any, to_state: Any) -> None: ...
     def describe(self): ...
 
 class BtreeGinExtension(CreateExtension):