remove fluid (#1944)

dygraph/deploy/python/infer.py

@@ -23,7 +23,6 @@ from PIL import Image
 import cv2
 import numpy as np
 import paddle
-import paddle.fluid as fluid
 from preprocess import preprocess, ResizeOp, NormalizeImageOp, PermuteOp, PadStride
 from visualize import visualize_box_mask
 from paddle.inference import Config

dygraph/ppdet/modeling/architectures/ssd.py

@@ -2,7 +2,6 @@ from __future__ import absolute_import
 from __future__ import division
 from __future__ import print_function
 
-from paddle import fluid
 from ppdet.core.workspace import register
 from .meta_arch import BaseArch