2019-08-03-203607.ipynb

Kernel: Python 3 (system-wide)

import altair as alt
from vega_datasets import data
alt.renderers.enable('notebook')
RendererRegistry.enable('notebook')

iris = data.iris()

alt.Chart(iris).mark_point().encode(
    x='petalLength',
    y='petalWidth',
    color='species'
)

---------------------------------------------------------------------------
NoSuchEntryPoint                          Traceback (most recent call last)
~/.local/lib/python3.6/site-packages/altair/utils/plugin_registry.py in _enable(self, name, **options)
    133             try:
--> 134                 ep = entrypoints.get_single(self.entry_point_group, name)
    135             except entrypoints.NoSuchEntryPoint:
/usr/local/lib/python3.6/dist-packages/entrypoints.py in get_single(group, name, path)
    185 
--> 186     raise NoSuchEntryPoint(group, name)
    187 
NoSuchEntryPoint: No 'notebook' entry point found in group 'altair.vegalite.v3.renderer'

During handling of the above exception, another exception occurred:
ValueError                                Traceback (most recent call last)
<ipython-input-3-568c732ef62f> in <module>
      1 import altair as alt
      2 from vega_datasets import data
----> 3 alt.renderers.enable('notebook')
      4 RendererRegistry.enable('notebook')
      5 
~/.local/lib/python3.6/site-packages/altair/utils/plugin_registry.py in enable(self, name, **options)
    169         if name is None:
    170             name = self.active
--> 171         return PluginEnabler(self, name, **options)
    172 
    173 
~/.local/lib/python3.6/site-packages/altair/utils/plugin_registry.py in __init__(self, registry, name, **options)
     23         self.options = options
     24         self.original_state = registry._get_state()
---> 25         self.registry._enable(name, **options)
     26 
     27     def __enter__(self):
~/.local/lib/python3.6/site-packages/altair/utils/plugin_registry.py in _enable(self, name, **options)
    135             except entrypoints.NoSuchEntryPoint:
    136                 if name in self.entrypoint_err_messages:
--> 137                     raise ValueError(self.entrypoint_err_messages[name])
    138                 else:
    139                     raise
ValueError: 
To use the 'notebook' renderer, you must install the vega package
and the associated Jupyter extension.
See https://altair-viz.github.io/getting_started/installation.html
for more information.