updating pillow version of tf1.15 (#339)

Co-authored-by: Tushar Dey <tshdy@amazon.com>
Co-authored-by: Zhuo Weng <wenzhuo@amazon.com>

Author: 3 people

docker/1.15.2/py2/Dockerfile.cpu

@@ -91,7 +91,7 @@ RUN pip install --no-cache-dir -U \
     scipy==1.2.2 \
     scikit-learn==0.20.3 \
     pandas==0.24.2 \
-    Pillow==6.2.1 \
+    Pillow==6.2.2 \
     h5py==2.9.0 \
     keras_applications==1.0.8 \
     keras_preprocessing==1.1.0 \

docker/1.15.2/py2/Dockerfile.gpu

@@ -124,7 +124,7 @@ RUN pip install --no-cache-dir -U \
     scipy==1.2.2 \
     scikit-learn==0.20.3 \
     pandas==0.24.2 \
-    Pillow==6.2.1 \
+    Pillow==6.2.2 \
     h5py==2.9.0 \
     keras_applications==1.0.8 \
     keras_preprocessing==1.1.0 \

docker/1.15.2/py3/Dockerfile.cpu

@@ -90,7 +90,7 @@ RUN pip install --no-cache-dir -U \
     scipy==1.2.2 \
     scikit-learn==0.20.3 \
     pandas==0.24.2 \
-    Pillow==6.2.1 \
+    Pillow==7.0.0 \
     h5py==2.9.0 \
     keras_applications==1.0.8 \
     keras_preprocessing==1.1.0 \

docker/1.15.2/py3/Dockerfile.gpu

@@ -127,7 +127,7 @@ RUN pip install --no-cache-dir -U \
     scipy==1.2.2 \
     scikit-learn==0.20.3 \
     pandas==0.24.2 \
-    Pillow==6.2.1 \
+    Pillow==7.0.0 \
     h5py==2.9.0 \
     keras_applications==1.0.8 \
     keras_preprocessing==1.1.0 \