fix: Prevent crash with 'gevent' has no attribute 'version_info' #539
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If the `gevent` module is not installed, but there is a directory called `gevent` or a `gevent.py` file in the current directory, then that is already importable and the statment `if sys.modules['gevent'].version_info < (1, 4):` fails with `AttributeError: module 'gevent' has no attribute 'version_info'` This can happen easily since many libraries like `celery`, `grpc`, `opentracing` etc, deliver their own file called `gevent.py`. Signed-off-by: Ferenc Géczi <ferenc.geczi@ibm.com>
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If the
geventmodule is not installed,but there is a directory called
geventor a
gevent.pyfile in the current directory,then that is already importable and the statment
if sys.modules['gevent'].version_info < (1, 4):fails with
AttributeError: module 'gevent' has no attribute 'version_info'This can happen easily since many libraries like
celery,grpc,opentracingetc, deliver their own file calledgevent.py.