diff --git a/.flake8 b/.flake8
index df76fe7..a751228 100644
--- a/.flake8
+++ b/.flake8
@@ -1,6 +1,6 @@
 [flake8]
 ignore = E203, E266, E501, W503, F403, F401, E402, W291
-max-line-length = 120
+max-line-length = 80
 max-complexity = 10
 application-import-names = hypermodern_python,tests
 select = B,C,E,F,W,T4,B9
@@ -14,4 +14,5 @@ exclude =
     build,
     dist,
     examples,
+    notebooks,
     waldiez_out,
diff --git a/.vscode/settings.json b/.vscode/settings.json
index f11dfa3..addf329 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -151,6 +151,7 @@
     "httputil",
     "Hugle",
     "Hypatia",
+    "hypermodern",
     "imagename",
     "Ioannidou",
     "ioloop",
@@ -281,6 +282,7 @@
     "Principia",
     "Proskuriakova",
     "pyautogen",
+    "pycache",
     "pydocstyle",
     "pylint",
     "pyproject",
diff --git a/pyproject.toml b/pyproject.toml
index 8c096bd..0812e05 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -119,7 +119,7 @@ ignore = ["W002"]
 
 # black
 [tool.black]
-line-length = 120
+line-length = 80
 skip-string-normalization = true
 include = '''
     \.pyi?$
@@ -139,6 +139,7 @@ exclude = '''
   | dist
   | node_modules
   | examples
+  | notebooks
 )/
 '''
 
@@ -162,6 +163,7 @@ exclude = [
   'build',
   'dist',
   'examples',
+  'notebooks',
   'node_modules',
   'waldiez_out',
 ]
@@ -176,13 +178,14 @@ skip = [
   'build',
   'dist',
   'examples',
+  'notebooks',
   'waldiez_out'
 ]
 # known_local_folder = ["..."]
 include_trailing_comma = true
 force_grid_wrap = 0
 use_parentheses = true
-line_length = 120
+line_length = 80
 
 [tool.pydocstyle]
 match-dir = '''
@@ -192,6 +195,7 @@ match-dir = '''
   [^!(dist)]
   [^!(node_modules)]
   [^!(examples)]
+  [^!(notebooks)]
   [^!(waldiez_out)]
 '''
 
@@ -271,10 +275,11 @@ skips = ['*_test.py', '*/test_*.py']
 
 # ruff
 [tool.ruff]
-line-length = 120
+line-length = 80
 extend-exclude = [
   "**/.venv",
   "**/examples",
+  "**/notebooks",
   "**/.local",
   "**/node_modules",
   "**/build",
@@ -314,7 +319,9 @@ addopts = """
 
 # consider_namespace_packages = true
 # pythonpath = []
-# filterwarnings = []
+filterwarnings = [
+  "ignore::DeprecationWarning",
+]
 python_files = ["test_*.py", "*_test.py"]
 
 # coverage
diff --git a/scripts/dev/requirements.py b/scripts/dev/requirements.py
index b33fb19..36eb484 100644
--- a/scripts/dev/requirements.py
+++ b/scripts/dev/requirements.py
@@ -24,9 +24,13 @@ def _write_all_dot_txt() -> None:
 def _ensure_uv() -> None:
     """Ensure that the `uv` tool is installed."""
     if not shutil.which("uv"):
-        subprocess.run(["python", "-m", "pip", "install", "uv"], check=True)  # nosemgrep # nosec
+        subprocess.run(  # nosemgrep # nosec
+            ["python", "-m", "pip", "install", "uv"], check=True
+        )
     try:
-        subprocess.run(["uv", "--version"], check=True, stdout=subprocess.DEVNULL)  # nosemgrep # nosec
+        subprocess.run(  # nosemgrep # nosec
+            ["uv", "--version"], check=True, stdout=subprocess.DEVNULL
+        )
     except subprocess.CalledProcessError:
         print("Failed to run `uv`.")
         print("Please make sure that the `uv` tool is installed.")
diff --git a/scripts/dev/run.py b/scripts/dev/run.py
index 5417222..09b6977 100644
--- a/scripts/dev/run.py
+++ b/scripts/dev/run.py
@@ -62,7 +62,9 @@ def _start_jupyter() -> None:
 def _start_jlpm() -> None:
     try:
         # pylint: disable=subprocess-run-check, line-too-long
-        subprocess.run([JLPM_COMMAND, "run", "watch"], cwd=ROOT_DIR, check=True)  # nosemgrep  # nosec
+        subprocess.run(  # nosemgrep  # nosec
+            [JLPM_COMMAND, "run", "watch"], cwd=ROOT_DIR, check=True
+        )
     except KeyboardInterrupt:
         _stop()