Fix format issue

Author: fileames

docs/docs/integrations/document_loaders/oracleadb_loader.ipynb

@@ -42,7 +42,7 @@
    },
    "outputs": [],
    "source": [
-    "#python -m pip install -U langchain-oracledb"
+    "# python -m pip install -U langchain-oracledb"
    ]
   },
   {

docs/docs/integrations/vectorstores/oracle.ipynb

@@ -521,20 +521,20 @@
     "    # This filter aims to include documents whose metadata 'id' is exactly '2'\n",
     "    db_filter = {\n",
     "        \"$and\": [\n",
-    "        {\"id\": \"101\"},  # FilterCondition\n",
-    "        {\n",
-    "          \"$or\": [  # FilterGroup\n",
-    "            {\"status\": \"approved\"},\n",
-    "            {\"link\": \"Document Example Test 2\"},\n",
+    "            {\"id\": \"101\"},  # FilterCondition\n",
     "            {\n",
-    "              \"$and\": [  # Nested FilterGroup\n",
-    "                {\"status\": \"approved\"},\n",
-    "                {\"link\": \"Document Example Test 2\"},\n",
-    "              ]\n",
+    "                \"$or\": [  # FilterGroup\n",
+    "                    {\"status\": \"approved\"},\n",
+    "                    {\"link\": \"Document Example Test 2\"},\n",
+    "                    {\n",
+    "                        \"$and\": [  # Nested FilterGroup\n",
+    "                            {\"status\": \"approved\"},\n",
+    "                            {\"link\": \"Document Example Test 2\"},\n",
+    "                        ]\n",
+    "                    },\n",
+    "                ]\n",
     "            },\n",
-    "          ]\n",
-    "        },\n",
-    "      ]\n",
+    "        ]\n",
     "    }\n",
     "\n",
     "    for i, vs in enumerate(vector_stores, start=1):\n",