fix: imports for generation examples (#60)

Author: Efreet408

examples/generation_low_level_metrics.ipynb

@@ -7,7 +7,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "from langchain_openai import ChatOpenAI\n",
+    "from langchain_openai import AzureChatOpenAI\n",
     "from aidial_rag_eval.metrics import calculate_inference, calculate_batch_inference\n",
     "\n",
     "llm = AzureChatOpenAI(model=\"gemini-2.5-flash-lite\")"
@@ -91,7 +91,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.24"
+   "version": "3.11.14"
   }
  },
  "nbformat": 4,

examples/generation_metrics.ipynb

@@ -10,7 +10,7 @@
     "import json\n",
     "import pandas as pd\n",
     "\n",
-    "from langchain_openai import ChatOpenAI\n",
+    "from langchain_openai import AzureChatOpenAI\n",
     "from aidial_rag_eval import evaluate\n",
     "from aidial_rag_eval.metric_binds import CONTEXT_TO_ANSWER_INFERENCE,\\\n",
     "    ANSWER_TO_GROUND_TRUTH_INFERENCE, GROUND_TRUTH_TO_ANSWER_INFERENCE, ANSWER_REFUSAL, GROUND_TRUTH_REFUSAL\n",
@@ -796,7 +796,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.24"
+   "version": "3.11.14"
   }
  },
  "nbformat": 4,