fix clip and blip issues (#2697)

Author: eaidova

notebooks/blip-visual-language-processing/blip-visual-language-processing.ipynb

@@ -1293,7 +1293,7 @@
    "source": [
     "%%skip not $to_quantize.value\n",
     "\n",
-    "if not TEXT_ENCODER_OV_INT8.exists()\n",
+    "if not TEXT_ENCODER_OV_INT8.exists():\n",
     "    text_encoder_dataset = nncf.Dataset(calibration_data, lambda x: x[\"text_encoder_inputs\"])\n",
     "    text_encoder_model = core.read_model(TEXT_ENCODER_OV)\n",
     "\n",

notebooks/clip-zero-shot-image-classification/clip-zero-shot-classification.ipynb

@@ -200,7 +200,7 @@
     "sample_path = Path(\"data/coco.jpg\")\n",
     "sample_path.parent.mkdir(parents=True, exist_ok=True)\n",
     "\n",
-    "if not sample_path.exists()\n",
+    "if not sample_path.exists():\n",
     "    r = requests.get(\"https://storage.openvinotoolkit.org/repositories/openvino_notebooks/data/data/image/coco.jpg\")\n",
     "\n",
     "    with sample_path.open(\"wb\") as f:\n",