Merge pull request udacity#96 from Fernandohf/bugFix-RuntimeError

Fix issue udacity#95 - RuntimeError

Author: jchernus

sentiment-rnn/Sentiment_RNN_Solution.ipynb

@@ -676,6 +676,7 @@
     "        batch_size = x.size(0)\n",
     "\n",
     "        # embeddings and lstm_out\n",
+    "        x = x.long()\n",
     "        embeds = self.embedding(x)\n",
     "        lstm_out, hidden = self.lstm(embeds, hidden)\n",
     "    \n",