Fix transform in 7.6 (by @chrrrisw)

Author: rossant

chapter07_stats/06_kde.ipynb

@@ -110,13 +110,14 @@
    "source": [
     "# We use a simple equirectangular projection,\n",
     "# also called Plate Carree.\n",
+    "geo = ccrs.Geodetic()\n",
     "crs = ccrs.PlateCarree()\n",
     "# We create the map plot.\n",
     "ax = plt.axes(projection=crs)\n",
     "# We display the world map picture.\n",
     "ax.stock_img()\n",
     "# We display the storm locations.\n",
-    "ax.scatter(x, y, color='r', s=.5, alpha=.25)"
+    "ax.scatter(x, y, color='r', s=.5, alpha=.25, transform=geo)"
    ]
   },
   {
@@ -136,8 +137,7 @@
     }
    ],
    "source": [
-    "geo = ccrs.Geodetic()\n",
-    "h = geo.transform_points(crs, x, y)[:, :2].T\n",
+    "h = crs.transform_points(geo, x, y)[:, :2].T\n",
     "h.shape"
    ]
   },
@@ -164,7 +164,7 @@
     "                     np.linspace(y0, y1, k))\n",
     "# We reshape the grid for the kde() function.\n",
     "mesh = np.vstack((tx.ravel(), ty.ravel()))\n",
-    "# We evaluate the kde() functionon the grid.\n",
+    "# We evaluate the kde() function on the grid.\n",
     "v = kde(mesh).reshape((k, 2 * k))"
    ]
   },