display code block slightly nicer on JupyterHub

Author: starkp

day5/.master/03-GT4Py-stencil2d.ipynb

@@ -127,11 +127,11 @@
     "<div class=\"alert alert-block alert-info\">\n",
     "<b>Now it's your turn...</b><br>\n",
     "<b>2.</b> Write a field operator called <tt>diffusion</tt> which performs the same operations as the following lines in <tt>stencil2d.py</tt>:<br>\n",
-    "<code>laplacian( in_field, tmp_field, num_halo=num_halo, extend=1 )\n",
+    "<pre><code>laplacian( in_field, tmp_field, num_halo=num_halo, extend=1 )\n",
     " laplacian( tmp_field, out_field, num_halo=num_halo, extend=0 )\n",
     " out_field[:, num_halo:-num_halo, num_halo:-num_halo] = \\\n",
     "     in_field[:, num_halo:-num_halo, num_halo:-num_halo] \\\n",
-    "     - alpha * out_field[:, num_halo:-num_halo, num_halo:-num_halo] </code><br>\n",
+    "     - alpha * out_field[:, num_halo:-num_halo, num_halo:-num_halo] </code></pre>\n",
     "The function receives the input field <tt>in_field</tt>, the output field <tt>out_field</tt> and the scalar coefficient <tt>alpha</tt>. Assume grid point values are stored as <tt>float</tt>s. Import and call the <tt>laplacian</tt> subroutine.<br>\n",
     "<b>3.</b> Instantiate the field operator with the two different backends.\n",
     "</div>"

day5/03-GT4Py-stencil2d.ipynb

@@ -104,11 +104,11 @@
     "<div class=\"alert alert-block alert-info\">\n",
     "<b>Now it's your turn...</b><br>\n",
     "<b>2.</b> Write a field operator called <tt>diffusion</tt> which performs the same operations as the following lines in <tt>stencil2d.py</tt>:<br>\n",
-    "<code>laplacian( in_field, tmp_field, num_halo=num_halo, extend=1 )\n",
+    "<pre><code>laplacian( in_field, tmp_field, num_halo=num_halo, extend=1 )\n",
     " laplacian( tmp_field, out_field, num_halo=num_halo, extend=0 )\n",
     " out_field[:, num_halo:-num_halo, num_halo:-num_halo] = \\\n",
     "     in_field[:, num_halo:-num_halo, num_halo:-num_halo] \\\n",
-    "     - alpha * out_field[:, num_halo:-num_halo, num_halo:-num_halo] </code><br>\n",
+    "     - alpha * out_field[:, num_halo:-num_halo, num_halo:-num_halo] </code></pre>\n",
     "The function receives the input field <tt>in_field</tt>, the output field <tt>out_field</tt> and the scalar coefficient <tt>alpha</tt>. Assume grid point values are stored as <tt>float</tt>s. Import and call the <tt>laplacian</tt> subroutine.<br>\n",
     "<b>3.</b> Instantiate the field operator with the two different backends.\n",
     "</div>"