In the test bazel_external_repository_test the python module six was not added as a dependency which caused the test to fail in some environments.
In the test bazel_external_repository_test the python module six was not added as a dependency which caused the test to fail in some environments.

Closes #11664.

Closes #11663.

PiperOrigin-RevId: 333290465

meteorcloudy/bazel,twitter-forks/bazel,bazelbuild/bazel,davidzchen/bazel,davidzchen/bazel,davidzchen/bazel,perezd/bazel,bazelbuild/bazel,meteorcloudy/bazel,meteorcloudy/bazel,twitter-forks/bazel,davidzchen/bazel,davidzchen/bazel,bazelbuild/bazel,davidzchen/bazel,katre/bazel,cushon/bazel,safarmer/bazel,meteorcloudy/bazel,cushon/bazel,meteorcloudy/bazel,meteorcloudy/bazel,katre/bazel,safarmer/bazel,perezd/bazel,davidzchen/bazel,bazelbuild/bazel,safarmer/bazel,bazelbuild/bazel,twitter-forks/bazel,twitter-forks/bazel,perezd/bazel,ButterflyNetwork/bazel,cushon/bazel,ButterflyNetwork/bazel,katre/bazel,safarmer/bazel,meteorcloudy/bazel,bazelbuild/bazel,perezd/bazel,safarmer/bazel,twitter-forks/bazel,perezd/bazel,twitter-forks/bazel,ButterflyNetwork/bazel,twitter-forks/bazel,cushon/bazel,perezd/bazel,ButterflyNetwork/bazel,katre/bazel,ButterflyNetwork/bazel,katre/bazel,ButterflyNetwork/bazel,cushon/bazel,katre/bazel,cushon/bazel,perezd/bazel,safarmer/bazel