Fix small error in big data notebooks

Author: Joshua Taillon

notebooks/08 Big data/08 Lazy.ipynb

@@ -817,7 +817,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.7.3"
+   "version": "3.7.0"
   },
   "toc": {
    "nav_menu": {},

notebooks/08 Big data/08 Lazy_completed.ipynb

@@ -389,10 +389,10 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# The same for `im_navigator`:\n",
-    "im_navigator = s.sum()\n",
-    "# Compute the lazy signal `im_navigator`\n",
-    "im_navigator.compute()"
+    "# Create the s_navigator by summing over the navigation axes:\n",
+    "s_navigator = im.sum()\n",
+    "# Compute the lazy signal `s_navigator`\n",
+    "s_navigator.compute()"
    ]
   },
   {
@@ -830,7 +830,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.7.3"
+   "version": "3.7.0"
   },
   "toc": {
    "nav_menu": {},