fix rendering of ecco_access modes tutorial

Author: andrewdelman

ecco_access/ecco_access_tutorials/ECCO_access_modes.ipynb

@@ -4735,8 +4735,7 @@
        "       '2015-07-16T12:00:00.000000000', '2015-08-16T12:00:00.000000000',\n",
        "       '2015-09-16T00:00:00.000000000', '2015-10-16T12:00:00.000000000',\n",
        "       '2015-11-16T00:00:00.000000000', '2015-12-16T12:00:00.000000000'],\n",
-       "      dtype=&#x27;datetime64[ns]&#x27;)</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-4b66d894-6e05-40f8-b49f-be0e58087f43' class='xr-section-summary-in' type='checkbox'  checked><label for='section-4b66d894-6e05-40f8-b49f-be0e58087f43' class='xr-section-summary' >Data variables: <span>(1)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span>THETA</span></div><div class='xr-var-dims'>(time, k, tile, j, i)</div><div class='xr-var-dtype'>float32</div><div class='xr-var-preview xr-preview'>dask.array&lt;chunksize=(1, 1, 13, 90, 90), meta=np.ndarray&gt;</div><input id='attrs-bb18a9fb-6e9c-485f-bccd-d658837a6201' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-bb18a9fb-6e9c-485f-bccd-d658837a6201' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-cd0c45a5-a646-4508-934c-ca79a63b954d' class='xr-var-data-in' type='checkbox'><label for='data-cd0c45a5-a646-4508-934c-ca79a63b954d' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>long_name :</span></dt><dd>Potential temperature </dd><dt><span>units :</span></dt><dd>degree_C</dd><dt><span>coverage_content_type :</span></dt><dd>modelResult</dd><dt><span>standard_name :</span></dt><dd>sea_water_potential_temperature</dd><dt><span>comment :</span></dt><dd>Sea water potential temperature is the temperature a parcel of sea water would have if moved adiabatically to sea level pressure. Note: the equation of state is a modified UNESCO formula by Jackett and McDougall (1995), which uses the model variable potential temperature as input assuming a horizontally and temporally constant pressure of $p_0=-g \r",
-       "ho_{0} z$.</dd><dt><span>valid_min :</span></dt><dd>-2.2909388542175293</dd><dt><span>valid_max :</span></dt><dd>36.032955169677734</dd><dt><span>origname :</span></dt><dd>THETA</dd><dt><span>fullnamepath :</span></dt><dd>/THETA</dd></dl></div><div class='xr-var-data'><table>\n",
+       "      dtype=&#x27;datetime64[ns]&#x27;)</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-4b66d894-6e05-40f8-b49f-be0e58087f43' class='xr-section-summary-in' type='checkbox'  checked><label for='section-4b66d894-6e05-40f8-b49f-be0e58087f43' class='xr-section-summary' >Data variables: <span>(1)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span>THETA</span></div><div class='xr-var-dims'>(time, k, tile, j, i)</div><div class='xr-var-dtype'>float32</div><div class='xr-var-preview xr-preview'>dask.array&lt;chunksize=(1, 1, 13, 90, 90), meta=np.ndarray&gt;</div><input id='attrs-bb18a9fb-6e9c-485f-bccd-d658837a6201' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-bb18a9fb-6e9c-485f-bccd-d658837a6201' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-cd0c45a5-a646-4508-934c-ca79a63b954d' class='xr-var-data-in' type='checkbox'><label for='data-cd0c45a5-a646-4508-934c-ca79a63b954d' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>long_name :</span></dt><dd>Potential temperature </dd><dt><span>units :</span></dt><dd>degree_C</dd><dt><span>coverage_content_type :</span></dt><dd>modelResult</dd><dt><span>standard_name :</span></dt><dd>sea_water_potential_temperature</dd><dt><span>comment :</span></dt><dd>Sea water potential temperature is the temperature a parcel of sea water would have if moved adiabatically to sea level pressure. Note: the equation of state is a modified UNESCO formula by Jackett and McDougall (1995), which uses the model variable potential temperature as input assuming a horizontally and temporally constant pressure of $p_0=-g \\rho_{0} z$.</dd><dt><span>valid_min :</span></dt><dd>-2.2909388542175293</dd><dt><span>valid_max :</span></dt><dd>36.032955169677734</dd><dt><span>origname :</span></dt><dd>THETA</dd><dt><span>fullnamepath :</span></dt><dd>/THETA</dd></dl></div><div class='xr-var-data'><table>\n",
        "    <tr>\n",
        "        <td>\n",
        "            <table style=\"border-collapse: collapse;\">\n",