[vis] fix legend assertion in MPL plots

46 jobs for master in 58 minutes and 35 seconds (queued for 6 seconds)
Status Job ID Name Coverage
  Sanity
passed #380810
ci setup

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verify setup.py

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  Test
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minimal_cpp_demo

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mpi 3 6

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mpi 3 7

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mpi 3 8

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notebooks_dir 3 6

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notebooks_dir 3 7

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notebooks_dir 3 8

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numpy_git 3 8

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oldest 3 6

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pip_installed 3 6

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pip_installed 3 7

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pip_installed 3 8

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vanilla 3 6

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vanilla 3 7

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vanilla 3 8

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  Build
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docker-in-docker
docs build

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amm-old-ci
wheel 1 py3 6

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amm-old-ci
wheel 1 py3 7

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amm-old-ci
wheel 1 py3 8

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docker-in-docker
wheel 2010 py3 6

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docker-in-docker
wheel 2010 py3 7

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docker-in-docker
wheel 2010 py3 8

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docker-in-docker
wheel 2014 py3 6

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docker-in-docker
wheel 2014 py3 7

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docker-in-docker
wheel 2014 py3 8

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docker-in-docker
wheel 2010 py3 6

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  Install Checks
passed #380841
mike
check_wheel 1

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mike
check_wheel 2

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mike
check_wheel 3

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docker-in-docker
local_jupyter

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docker-in-docker
pip 1/3

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docker-in-docker
pip 2/3

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docker-in-docker
pip 3/3

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docker-in-docker
repo2docker

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  Deploy
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docs

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submit numpy_git 3 8

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submit oldest 3 6

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submit vanilla 3 6

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submit vanilla 3 7

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submit vanilla 3 8

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trigger_binder 1/3

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trigger_binder 2/3

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passed #380851
trigger_binder 3/3

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submit vanilla 3 6

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