diff --git a/check_install.py b/check_install.py
index f544c88cff2..700fb2ea0df 100644
--- a/check_install.py
+++ b/check_install.py
@@ -82,7 +82,6 @@ def kernel_check():
     OPENVINO_IMPORT = False
 
 
-
 print("System information:")
 print(f"Python executable: {PYTHON_EXECUTABLE}")
 print(f"Pip version: {PIP_VERSION}")
@@ -177,9 +176,7 @@ def kernel_check():
 
 if not DEVTOOLS_INSTALLED:
     print()
-    print(
-        "OpenVINO development tools are not installed in this Python environment. \n" "Please follow the instructions in the README to install `openvino`\n"
-    )
+    print("OpenVINO development tools are not installed in this Python environment. \n" "Please follow the instructions in the README to install `openvino`\n")
 
 if not NO_BROKEN_REQUIREMENTS:
     print()
diff --git a/notebooks/janus-multimodal-generation/ov_janus_helper.py b/notebooks/janus-multimodal-generation/ov_janus_helper.py
index f7c388a7a21..612a9a738e5 100644
--- a/notebooks/janus-multimodal-generation/ov_janus_helper.py
+++ b/notebooks/janus-multimodal-generation/ov_janus_helper.py
@@ -233,7 +233,7 @@ def convert_janus_model(model_id, output_dir, quantization_config):
     processor: VLChatProcessor = VLChatProcessor.from_pretrained(model_id)
     config = AutoConfig.from_pretrained(model_id, trust_remote_code=True)
     language_config = config.language_config
-    language_config._attn_implementation = 'sdpa'
+    language_config._attn_implementation = "sdpa"
     vl_gpt: MultiModalityCausalLM = AutoModelForCausalLM.from_pretrained(model_id, language_config=language_config, trust_remote_code=True)
     vl_gpt = vl_gpt.eval()
     vl_gpt.config.save_pretrained(output_dir)
diff --git a/notebooks/yolov11-optimization/yolov11-keypoint-detection.ipynb b/notebooks/yolov11-optimization/yolov11-keypoint-detection.ipynb
index c147579b0f3..9c406b8868a 100644
--- a/notebooks/yolov11-optimization/yolov11-keypoint-detection.ipynb
+++ b/notebooks/yolov11-optimization/yolov11-keypoint-detection.ipynb
@@ -1336,7 +1336,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "#VIDEO_SOURCE = 0 #for webcam\n",
+    "# VIDEO_SOURCE = 0 #for webcam\n",
     "VIDEO_SOURCE = \"https://storage.openvinotoolkit.org/repositories/openvino_notebooks/data/data/video/people.mp4\""
    ]
   },