BokehRuntimeWarnings after #2747 #2754
Description
After #2747, I see warnings like
BokehUserWarning: ColumnDataSource's columns must be of the same length. Current lengths: ('address', 4), ('dashboard_host', 4), ('dashboard_port', 4), ('nbytes', 4), ('nbytes-color', 4), ('nbytes-half', 4), ('nbytes_text', 4), ('nprocessing', 4), ('nprocessing-color', 4), ('nprocessing-half', 4), ('worker', 2), ('y', 4)
BokehUserWarning: ColumnDataSource's columns must be of the same length. Current lengths: ('address', 4), ('dashboard_host', 4), ('dashboard_port', 4), ('nbytes', 4), ('nbytes-color', 4), ('nbytes-half', 4), ('nbytes_text', 4), ('nprocessing', 4), ('nprocessing-color', 4), ('nprocessing-half', 4), ('worker', 2), ('y', 4)
probably something with https://github.com/dask/distributed/pull/2747/files#diff-bb0ae02b02c7f964b31a044e6dc83b19L1336