bump ver to 200 (#6130)

docs/modules/agents/agents/examples/openai_functions_agent.ipynb

@@ -56,7 +56,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 3,
+   "execution_count": 6,
    "id": "9ff6cee9",
    "metadata": {},
    "outputs": [],
@@ -66,46 +66,31 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 4,
+   "execution_count": 7,
    "id": "ba8e4cbe",
    "metadata": {
     "scrolled": false
    },
    "outputs": [
-    {
-     "name": "stderr",
-     "output_type": "stream",
-     "text": [
-      "Error in on_chain_start callback: 'name'\n"
-     ]
-    },
     {
      "name": "stdout",
      "output_type": "stream",
      "text": [
+      "\n",
+      "\n",
+      "\u001b[1m> Entering new  chain...\u001b[0m\n",
       "\u001b[32;1m\u001b[1;3m\n",
       "Invoking: `Search` with `{'query': 'Leo DiCaprio girlfriend'}`\n",
       "\n",
       "\n",
-      "\u001b[0m\u001b[36;1m\u001b[1;3mAmidst his casual romance with Gigi, Leo allegedly entered a relationship with 19-year old model, Eden Polani, in February 2023.\u001b[0m"
+      "\u001b[0m\u001b[36;1m\u001b[1;3mAmidst his casual romance with Gigi, Leo allegedly entered a relationship with 19-year old model, Eden Polani, in February 2023.\u001b[0m\u001b[32;1m\u001b[1;3m\n",
-     ]
-    },
-    {
-     "name": "stderr",
-     "output_type": "stream",
-     "text": [
-      "Error in on_chain_start callback: 'name'\n"
-     ]
-    },
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "\u001b[32;1m\u001b[1;3m\n",
       "Invoking: `Calculator` with `{'expression': '19^0.43'}`\n",
       "\n",
       "\n",
-      "\u001b[0m19^0.43\u001b[32;1m\u001b[1;3m```text\n",
+      "\u001b[0m\n",
+      "\n",
+      "\u001b[1m> Entering new  chain...\u001b[0m\n",
+      "19^0.43\u001b[32;1m\u001b[1;3m```text\n",
       "19**0.43\n",
       "```\n",
       "...numexpr.evaluate(\"19**0.43\")...\n",
@@ -123,7 +108,7 @@
        "\"Leo DiCaprio's girlfriend is reportedly Eden Polani. Her current age raised to the power of 0.43 is approximately 3.55.\""
       ]
      },
-     "execution_count": 4,
+     "execution_count": 7,
      "metadata": {},
      "output_type": "execute_result"
     }

langchain/callbacks/stdout.py

@@ -37,7 +37,7 @@ class StdOutCallbackHandler(BaseCallbackHandler):
         self, serialized: Dict[str, Any], inputs: Dict[str, Any], **kwargs: Any
     ) -> None:
         """Print out that we are entering a chain."""
-        class_name = serialized["name"]
+        class_name = serialized.get("name", "")
         print(f"\n\n\033[1m> Entering new {class_name} chain...\033[0m")
 
     def on_chain_end(self, outputs: Dict[str, Any], **kwargs: Any) -> None:

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "langchain"
-version = "0.0.199"
+version = "0.0.200"
 description = "Building applications with LLMs through composability"
 authors = []
 license = "MIT"