__init__.py 文件源码

def sanity_check_dependencies():
    import numpy
    import requests
    import six

    if distutils.version.LooseVersion(numpy.__version__) < distutils.version.LooseVersion('1.10.4'):
        logger.warn("You have 'numpy' version %s installed, but 'gym' requires at least 1.10.4. HINT: upgrade via 'pip install -U numpy'.", numpy.__version__)

    if distutils.version.LooseVersion(requests.__version__) < distutils.version.LooseVersion('2.0'):
        logger.warn("You have 'requests' version %s installed, but 'gym' requires at least 2.0. HINT: upgrade via 'pip install -U requests'.", requests.__version__)

# We automatically configure a logger with a simple stderr handler. If
# you'd rather customize logging yourself, run undo_logger_setup.
#
# (Note: this needs to happen before importing the rest of gym, since
# we may print a warning at load time.)