fix d2go import.

Summary:
Pull Request resolved: https://github.com/facebookresearch/d2go/pull/250

Fixed d2go import caused by D36402205 (https://github.com/facebookresearch/d2go/commit/b3a9204c65a503ee868cf020c629c23fde2d2bc1).

Reviewed By: wat3rBro

Differential Revision: D36431223

fbshipit-source-id: 50a03abb718fa038e0cc3a4ba0aed88fb1a676ed

d2go/data/transforms/__init__.py

@@ -3,12 +3,5 @@
 
 
 # import all modules to make sure Registry works
-# @fb-only: from . import (  # noqa  # noqa 
-    affine,
-    blur,
-    box_utils,
-    color_yuv,
-    crop,
-    d2_native,
-    fb,
-)
+# @fb-only: from . import fb  # isort:skip  # noqa 
+from . import affine, blur, box_utils, color_yuv, crop, d2_native  # noqa

d2go/modeling/meta_arch/__init__.py

@@ -2,4 +2,5 @@
 # Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved
 
 # NOTE: making necessary imports to register with Registry
-from . import fb, fcos  # noqa  # @fb-only  # noqa
+# @fb-only: from . import fb  # isort:skip  # noqa 
+from . import fcos  # noqa

d2go/modeling/modeldef/__init__.py

@@ -6,4 +6,5 @@
 This is the centralized place to define modeldef for all projects under D2Go.
 """
 
-from . import fb, modeldef  # noqa  # @fb-only  # noqa
+# @fb-only: from . import fb  # isort:skip  # noqa 
+from . import modeldef  # noqa

d2go/utils/__init__.py

@@ -3,4 +3,6 @@
 
 
 # import to make sure Registry works
-from . import fb, flop_calculator  # noqa  # @fb-only  # noqa
+# usort does not respect the `fb-only` tag so use isort:skip here
+# @fb-only: from . import fb  # isort:skip  # noqa 
+from . import flop_calculator  # noqa