message: Pin keras_preprocessing to 1.1.0
diff: @@ -60,7 +60,7 @@ REQUIRED_PACKAGES = [
  'gast == 0.3.3',
  'google_pasta >= 0.1.8',
  'h5py >= 2.10.0, < 2.11.0',
  - 'keras_preprocessing >= 1.1.0',
  + 'keras_preprocessing == 1.1.0',
  'numpy >= 1.16.0, < 2.0',
  'opt_einsum >= 2.3.2',
  'protobuf >= 3.9.2',
  