use .reshape(1, -1) for single sample in new sklearn to avoid depr warning

rasbt · rasbt · commit cd70f52a7abe · 2016-10-18T02:00:09.000-04:00
diff --git a/code/ch03/ch03.ipynb b/code/ch03/ch03.ipynb
@@ -675,7 +675,7 @@
    },
    "outputs": [],
    "source": [
-    "if Version(sklearn_version) < '0.18':\n",
+    "if Version(sklearn_version) < '0.17':\n",
     "    lr.predict_proba(X_test_std[0, :])\n",
     "else:\n",
     "    lr.predict_proba(X_test_std[0, :].reshape(1, -1))"
