@@ -40,6 +40,7 @@
"@jupyterlab/services": "^3.2.1-alpha.0",
"@phosphor/algorithm": "^1.1.2",
"@phosphor/commands": "^1.6.1",
+ "@phosphor/messaging": "^1.2.2",
"@phosphor/widgets": "^1.6.0"
},
"devDependencies": {