Adding warnings filter for inference on data sets being empty to avoid user confusion.

ImageColorizer.ipynb

@@ -21,7 +21,9 @@
    "source": [
     "from deoldify.visualize import *\n",
     "plt.style.use('dark_background')\n",
-    "torch.backends.cudnn.benchmark=True"
+    "torch.backends.cudnn.benchmark=True\n",
+    "import warnings\n",
+    "warnings.filterwarnings(\"ignore\", category=UserWarning, message=\".*?Your .*? set is empty.*?\")"
    ]
   },
   {
@@ -140,7 +142,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.7.0"
+   "version": "3.7.6"
   },
   "toc": {
    "colors": {

ImageColorizerArtisticTests.ipynb

@@ -20,7 +20,9 @@
    "outputs": [],
    "source": [
     "from deoldify.visualize import *\n",
-    "plt.style.use('dark_background')"
+    "plt.style.use('dark_background')\n",
+    "import warnings\n",
+    "warnings.filterwarnings(\"ignore\", category=UserWarning, message=\".*?Your .*? set is empty.*?\")"
    ]
   },
   {
@@ -3285,7 +3287,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.7.0"
+   "version": "3.7.6"
   },
   "toc": {
    "colors": {

ImageColorizerColab.ipynb

@@ -144,7 +144,9 @@
    "outputs": [],
    "source": [
     "import fastai\n",
-    "from deoldify.visualize import *"
+    "from deoldify.visualize import *\n",
+    "import warnings\n",
+    "warnings.filterwarnings(\"ignore\", category=UserWarning, message=\".*?Your .*? set is empty.*?\")"
    ]
   },
   {

ImageColorizerStableTests.ipynb

@@ -20,7 +20,9 @@
    "outputs": [],
    "source": [
     "from deoldify.visualize import *\n",
-    "plt.style.use('dark_background')"
+    "plt.style.use('dark_background')\n",
+    "import warnings\n",
+    "warnings.filterwarnings(\"ignore\", category=UserWarning, message=\".*?Your .*? set is empty.*?\")"
    ]
   },
   {

VideoColorizer.ipynb

@@ -20,7 +20,9 @@
    "outputs": [],
    "source": [
     "from deoldify.visualize import *\n",
-    "plt.style.use('dark_background')"
+    "plt.style.use('dark_background')\n",
+    "import warnings\n",
+    "warnings.filterwarnings(\"ignore\", category=UserWarning, message=\".*?Your .*? set is empty.*?\")"
    ]
   },
   {
@@ -146,7 +148,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.7.0"
+   "version": "3.7.6"
   },
   "toc": {
    "colors": {

VideoColorizerColab.ipynb

@@ -151,7 +151,9 @@
     "import fastai\n",
     "from deoldify.visualize import *\n",
     "from pathlib import Path\n",
-    "torch.backends.cudnn.benchmark=True"
+    "torch.backends.cudnn.benchmark=True\n",
+    "import warnings\n",
+    "warnings.filterwarnings(\"ignore\", category=UserWarning, message=\".*?Your .*? set is empty.*?\")"
    ]
   },
   {