message: Add python imaging library package, needed to run some inference models
diff: @@ -28,6 +28,7 @@ FROM ubuntu:16.04
  # curl and locate are needed by Tensorflow's configure command
  # enum appears to be used in the TensorFlow build
  # clang-format-3.9 is needed for code-style checks
  +# python3-pil is needed to run the inception-resnet-v2 model
  # python3-tk is used by matplotlib (pip installed below)
  RUN apt-get update && apt-get install -y \
  python3-pip virtualenv \
  @@ -41,6 +42,7 @@ RUN apt-get update && apt-get install -y \
  zip golang-go \
  locate curl \
  clang-format-3.9 \
  + python3-pil \
  python3-tk
  # The "locate" command uses a prepopulated index. If this index is not built,
  