Restricting the PyYAML version to <5.4.0 to avoid breakage in TF models official pip package

PiperOrigin-RevId: 550049571

Author: tensorflower-gardener

official/pip_package/setup.py

@@ -20,7 +20,7 @@
 from setuptools import find_packages
 from setuptools import setup
 
-version = '2.13.0'
+version = '2.13.1'
 tf_version = '2.13.0'  # Major version.
 
 project_name = 'tf-models-official'

official/requirements.txt

@@ -15,7 +15,7 @@ tf_slim>=1.1.0
 Cython
 matplotlib
 # Loader becomes a required positional argument in 6.0 in yaml.load
-pyyaml>=5.1,<6.0
+pyyaml>=5.1,<5.4.0
 # CV related dependencies
 opencv-python-headless
 Pillow