Update llamaindex-load.ipynb

Openai updated importing codes and packages were not being located correctly

notebooks/llamaindex-load.ipynb

@@ -18,26 +18,26 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "from llama_index.llms import AzureOpenAI\n",
-    "from llama_index.embeddings import AzureOpenAIEmbedding\n",
-    "from llama_index import VectorStoreIndex, SimpleDirectoryReader, ServiceContext\n",
+    "from llama_index.llms.azure_openai import AzureOpenAI\n",
+    "from llama_index.embeddings.azure_openai import AzureOpenAIEmbedding\n",
+    "from llama_index.core import VectorStoreIndex, SimpleDirectoryReader, ServiceContext\n",
     "import logging\n",
     "import sys\n",
     "from collections.abc import Iterator\n",
-    "from llama_index import ServiceContext, SimpleDirectoryReader, StorageContext\n",
-    "from llama_index.indices.vector_store import VectorStoreIndex\n",
-    "from llama_index.vector_stores import PGVectorStore\n",
+    "from llama_index.core import ServiceContext, SimpleDirectoryReader, StorageContext\n",
+    "from llama_index.core import VectorStoreIndex\n",
+    "from llama_index.vector_stores.postgres import PGVectorStore\n",
     "import textwrap\n",
     "import openai\n",
-    "from llama_index import download_loader\n",
+    "#from llama_index import download_loader\n",
     "# customize textnode - purpose is to add id to each node\n",
-    "from llama_index.schema import TextNode\n",
+    "#from llama_index.schema import TextNode\n",
     "# customize stages of querying  https://docs.llamaindex.ai/en/latest/understanding/querying/querying.html\n",
-    "from llama_index import get_response_synthesizer\n",
-    "from llama_index.retrievers import VectorIndexRetriever\n",
-    "from llama_index.query_engine import RetrieverQueryEngine\n",
-    "from llama_index.postprocessor import SimilarityPostprocessor\n",
-    "from llama_index import StorageContext, load_index_from_storage\n",
+    "from llama_index.core import get_response_synthesizer\n",
+    "from llama_index.core.indices.vector_store.retrievers.retriever import VectorIndexRetriever\n",
+    "from llama_index.core.query_engine import RetrieverQueryEngine\n",
+    "from llama_index.core.postprocessor import SimilarityPostprocessor\n",
+    "#from llama_index import StorageContext, load_index_from_storage\n",
     "\n",
     "logging.basicConfig(\n",
     "    stream=sys.stdout, level=logging.INFO\n",