Carnet illisible: JPYTER
...
"language": "python",
"metadata": {},
"outputs": [],
},
Courageous Copperhead
...
"language": "python",
"metadata": {},
"outputs": [],
},
...
"language": "python",
"metadata": {},
"outputs": [],
},
I just had the same issue after upgrading from IPython 0.13 (ish) to Jupyter 4.
The problem in my case were a few rogue trailing commas in the JSON, for example the comma following "outputs" in: