Improve performance by replacing call to pip freeze with import of do… #5320
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…cker.version_info (fixes #5038)
Replaced call to pip freeze with a python one-liner that imports docker.version_info. Version 1.10.6 was the latest release of docker python client released as docker-py. This change results in executions of docker-compose being about 1.5x faster (affects all commands: help, info, etc.)
With call to pip freeze:
With call to import docker.version_info:
Signed-off-by: Guillermo Arribas garribas@gmail.com