fix: detect correct auth when ADC env var is set but empty #1374
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BigTailWolf
approved these changes
Aug 22, 2023
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Treat empty strings as if the env var was not set. This fixes an issue where an environment variable for
GOOGLE_APPLICATION_CREDENTIALSis set, but it empty. Because the default sentinel isNone, the auth library attempts to load this file. Some systems can set or update an env var, but not unset an env var (e.g. Docker).Fixes: googleapis/python-pubsub#983