change widget to notebook in using pylj

Author: arm61

_build/using_pylj/intro.md

@@ -48,7 +48,7 @@ def md_simulation(number_of_particles, temperature, box_length,
         The complete system information from pylj
     """
     # Creates the visualisation environment
-    %matplotlib widget
+    %matplotlib notebook
     # Initialise the system
     system = md.initialise(number_of_particles, temperature, box_length, 'square')
     # This sets the sampling class

content/using_pylj/intro.ipynb

@@ -67,7 +67,7 @@
     "        The complete system information from pylj\n",
     "    \"\"\"\n",
     "    # Creates the visualisation environment\n",
-    "    %matplotlib widget\n",
+    "    %matplotlib notebook\n",
     "    # Initialise the system\n",
     "    system = md.initialise(number_of_particles, temperature, box_length, 'square')\n",
     "    # This sets the sampling class\n",