Need fix in latest ipywidgets

Author: vidartf

js/package.json

@@ -31,7 +31,7 @@
     "webpack-cli": "^2.0.10"
   },
   "dependencies": {
-    "@jupyter-widgets/base": "^1.1.9",
+    "@jupyter-widgets/base": "^1.1.10",
     "bluebird": "^3.5.1",
     "jupyter-dataserializers": "^1.1.2",
     "three": "^0.90.0",

setup.py

@@ -68,7 +68,7 @@
     'license': 'BSD',
     'include_package_data': True,
     'install_requires': [
-        'ipywidgets>=7.2',
+        'ipywidgets>=7.2.1',
         'ipydatawidgets>=1.1.1',
         'numpy',
     ],