normalizes averaged embeddings to length 1

examples/Embedding_long_inputs.ipynb

@@ -205,6 +205,7 @@
     "\n",
     "    if average:\n",
     "        chunk_embeddings = np.average(chunk_embeddings, axis=0, weights=[len(c) for c in chunk_embeddings]).tolist()\n",
+    "        chunk_embeddings = chunk_embeddings / np.linalg.norm(chunk_embeddings)  # normalizes length to 1\n",
     "    return chunk_embeddings"
    ]
   },