Merge pull request #13 from heistermann/fix-fuzzyplot

Fix wrong parenthesis in plot - funny that this ran at all.

Author: heistermann

notebooks/classify/wradlib_fuzzy_echo_classify.ipynb

@@ -189,8 +189,8 @@
     "#   Echo classification\n",
     "ax = plt.subplot(122, aspect=\"equal\")\n",
     "ax, pm = wradlib.vis.plot_ppi(np.ma.masked_array(cmap.astype(np.uint8), \n",
-    "                                                 np.isnan(dat[\"ref\"]), ax=ax), \n",
-    "                              cmap=\"bwr\")\n",
+    "                                                 np.isnan(dat[\"ref\"])),\n",
+    "                              ax=ax, cmap=\"bwr\")\n",
     "ax = wradlib.vis.plot_ppi_crosshair(site=(0,0),\n",
     "                                    ranges=[80,160,240])\n",
     "plt.xlim(-240,240)\n",