fix bugs in run script and utility.py (#2756)

PaddleCV/image_classification/run.sh

@@ -20,7 +20,6 @@ python train.py \
 #            --batch_size=256 \
 #            --total_images=1281167 \
 #            --image_shape=3,224,224 \
-#            --input_dtype=float32 \
 #            --class_dim=1000 \
 #            --lr_strategy=cosine_decay \
 #            --lr=0.1 \
@@ -38,7 +37,6 @@ python train.py \
 #            --batch_size=256 \
 #            --total_images=1281167 \
 #            --image_shape=3,224,224 \
-#            --input_dtype=float32 \
 #            --class_dim=1000 \
 #            --lr_strategy=piecewise_decay \
 #            --lr=0.1 \
@@ -53,7 +51,6 @@ python train.py \
 #            --batch_size=256 \
 #            --total_images=1281167 \
 #            --image_shape=3,224,224 \
-#            --input_dtype=float32 \
 #            --class_dim=1000 \
 #            --lr_strategy=cosine_decay \
 #            --lr=0.1 \
@@ -71,7 +68,6 @@ python train.py \
 #            --batch_size=256 \
 #            --total_images=1281167 \
 #            --image_shape=3,299,299 \
-#            --input_dtype=float32 \
 #            --class_dim=1000 \
 #            --lr_strategy=cosine_decay \
 #            --lr=0.045 \
@@ -89,7 +85,6 @@ python train.py \
 #            --batch_size=256 \
 #            --total_images=1281167 \
 #            --image_shape=3,224,224 \
-#            --input_dtype=float32 \
 #            --class_dim=1000 \
 #            --lr_strategy=cosine_decay \
 #            --lr=0.1 \
@@ -107,7 +102,6 @@ python train.py \
 #            --batch_size=256 \
 #            --total_images=1281167 \
 #            --image_shape=3,224,224 \
-#            --input_dtype=float32 \
 #            --class_dim=1000 \
 #            --lr_strategy=cosine_decay \
 #            --lr=0.1 \
@@ -125,7 +119,6 @@ python train.py \
 #            --batch_size=256 \
 #            --total_images=1281167 \
 #            --image_shape=3,224,224 \
-#            --input_dtype=float32 \
 #            --class_dim=1000 \
 #            --lr_strategy=cosine_decay \
 #            --lr=0.1 \
@@ -142,7 +135,6 @@ python train.py \
 #	    --batch_size=256 \
 #            --total_images=1281167 \
 #            --image_shape=3,224,224 \
-#            --input_dtype=float32 \
 #            --class_dim=1000 \
 #            --lr_strategy=cosine_decay \
 #            --lr=0.1 \

PaddleCV/image_classification/utils/utility.py

@@ -72,7 +72,7 @@ def check_gpu(use_gpu):
           "\t2. Set use_gpu as false in config file to run " \
           "model on CPU"
 
-     try:
+    try:
         if use_gpu and not fluid.is_compiled_with_cuda():
             logger.error(err)
             sys.exit(1)