diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 66545eacd..7713bf914 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -67,7 +67,7 @@ repos:
     rev: v1.5.1
     hooks:
     -   id: mypy
-        additional_dependencies: [types-all]
+        additional_dependencies: [types-all, pandas-stubs, types-tqdm]
 -   repo: https://github.com/pre-commit/pre-commit-hooks
     rev: v4.4.0
     hooks:
diff --git a/pyproject.toml b/pyproject.toml
index d8e38dc23..ad9c041ac 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -61,7 +61,8 @@ test = [
   "pybtex",
   "pytest>=6.0.0",
   "pytest-cov>=4.0.0",
-  "types-tqdm"
+  "types-tqdm",
+  "typing_extensions"
 ]
 
 [project.urls]
@@ -110,7 +111,6 @@ check_untyped_defs = true
 disallow_incomplete_defs = true
 disallow_untyped_defs = true
 warn_redundant_casts = true
-warn_unused_ignores = true
 
 [[tool.mypy.overrides]]
 module = "scipy.*"
diff --git a/src/pymovements/plotting/main_sequence_plot.py b/src/pymovements/plotting/main_sequence_plot.py
index 551e73152..7edc7238b 100644
--- a/src/pymovements/plotting/main_sequence_plot.py
+++ b/src/pymovements/plotting/main_sequence_plot.py
@@ -110,10 +110,12 @@ def main_sequence_plot(
         alpha=alpha,
         s=marker_size,
         marker=marker,
-        **kwargs,
+        # to handle after  https://github.com/pydata/xarray/pull/8030 is merged
+        **kwargs,  # type: ignore
     )
 
-    plt.title(title)
+    if title:
+        plt.title(title)
     plt.xlabel('Amplitude [dva]')
     plt.ylabel('Peak Velocity [dva/s]')
 
diff --git a/src/pymovements/plotting/traceplot.py b/src/pymovements/plotting/traceplot.py
index 9b6b62988..6839f840c 100644
--- a/src/pymovements/plotting/traceplot.py
+++ b/src/pymovements/plotting/traceplot.py
@@ -21,12 +21,17 @@
 from __future__ import annotations
 
 import sys
+from typing import Dict
+from typing import Literal
+from typing import Sequence
+from typing import Tuple
 
-import matplotlib
+import matplotlib.colors
 import matplotlib.pyplot as plt
+import matplotlib.scale
 import numpy as np
-from matplotlib import colors
 from matplotlib.collections import LineCollection
+from typing_extensions import TypeAlias
 
 from pymovements.gaze.gaze_dataframe import GazeDataFrame
 
@@ -37,44 +42,59 @@
 if 'pytest' in sys.modules:  # pragma: no cover
     matplotlib.use('Agg')
 
-DEFAULT_SEGMENTDATA = {
+LinearSegmentedColormapType: TypeAlias = Dict[
+    Literal['red', 'green', 'blue', 'alpha'], Sequence[Tuple[float, ...]],
+]
+
+DEFAULT_SEGMENTDATA: LinearSegmentedColormapType = {
     'red': [
-        [0.0, 0.0, 0.0],
-        [0.5, 1.0, 1.0],
-        [1.0, 1.0, 1.0],
+        (0.0, 0.0, 0.0),
+        (0.5, 1.0, 1.0),
+        (1.0, 1.0, 1.0),
     ],
     'green': [
-        [0.0, 0.0, 0.0],
-        [0.5, 1.0, 1.0],
-        [1.0, 0.0, 0.0],
+        (0.0, 0.0, 0.0),
+        (0.5, 1.0, 1.0),
+        (1.0, 0.0, 0.0),
     ],
     'blue': [
-        [0.0, 0.0, 0.0],
-        [0.5, 0.0, 0.0],
-        [1.0, 0.0, 0.0],
+        (0.0, 0.0, 0.0),
+        (0.5, 0.0, 0.0),
+        (1.0, 0.0, 0.0),
+    ],
+    'alpha': [
+        (1.0, 1.0, 1.0),
+        (1.0, 1.0, 1.0),
+        (1.0, 1.0, 1.0),
     ],
 }
 
 
-DEFAULT_SEGMENTDATA_TWOSLOPE = {
+DEFAULT_SEGMENTDATA_TWOSLOPE: LinearSegmentedColormapType = {
     'red': [
-        [0.0, 0.0, 0.0],
-        [0.5, 0.0, 0.0],
-        [0.75, 1.0, 1.0],
-        [1.0, 1.0, 1.0],
+        (0.0, 0.0, 0.0),
+        (0.5, 0.0, 0.0),
+        (0.75, 1.0, 1.0),
+        (1.0, 1.0, 1.0),
     ],
     'green': [
-        [0.0, 0.0, 0.0],
-        [0.25, 1.0, 1.0],
-        [0.5, 0.0, 0.0],
-        [0.75, 1.0, 1.0],
-        [1.0, 0.0, 0.0],
+        (0.0, 0.0, 0.0),
+        (0.25, 1.0, 1.0),
+        (0.5, 0.0, 0.0),
+        (0.75, 1.0, 1.0),
+        (1.0, 0.0, 0.0),
     ],
     'blue': [
-        [0.0, 1.0, 1.0],
-        [0.25, 1.0, 1.0],
-        [0.5, 0.0, 0.0],
-        [1.0, 0.0, 0.0],
+        (0.0, 1.0, 1.0),
+        (0.25, 1.0, 1.0),
+        (0.5, 0.0, 0.0),
+        (1.0, 0.0, 0.0),
+    ],
+    'alpha': [
+        (1.0, 1.0, 1.0),
+        (1.0, 1.0, 1.0),
+        (1.0, 1.0, 1.0),
+        (1.0, 1.0, 1.0),
     ],
 }
 
@@ -83,9 +103,9 @@ def traceplot(
         gaze: GazeDataFrame,
         position_column: str = 'pixel',
         cval: np.ndarray | None = None,  # pragma: no cover
-        cmap: colors.Colormap | None = None,
-        cmap_norm: colors.Normalize | str | None = None,
-        cmap_segmentdata: dict[str, list[list[float]]] | None = None,
+        cmap: matplotlib.colors.Colormap | None = None,
+        cmap_norm: matplotlib.colors.Normalize | str | None = None,
+        cmap_segmentdata: LinearSegmentedColormapType | None = None,
         cbar_label: str | None = None,
         show_cbar: bool = False,
         padding: float | None = None,
@@ -148,7 +168,7 @@ def traceplot(
         show_cbar = False
 
     cval_max = np.nanmax(np.abs(cval))
-    cval_min = np.nanmin(cval)
+    cval_min = np.nanmin(cval).astype(float)
 
     if cmap_norm is None:
         if cval_max and cval_min < 0:
@@ -183,7 +203,10 @@ def traceplot(
     elif isinstance(cmap_norm, str):
         # pylint: disable=protected-access
 
-        if (scale_class := matplotlib.scale._scale_mapping.get(cmap_norm, None)) is None:
+        # to handle after https://github.com/pydata/xarray/pull/8030 is merged
+        if (
+            scale_class := matplotlib.scale._scale_mapping.get(cmap_norm, None)  # type: ignore
+        ) is None:
             raise ValueError(f'cmap_norm string {cmap_norm} is not supported')
 
         norm_class = matplotlib.colors.make_norm_from_scale(scale_class)
@@ -218,7 +241,8 @@ def traceplot(
         # sm.set_array(cval)
         fig.colorbar(line, label=cbar_label, ax=ax)
 
-    ax.set_title(title)
+    if title:
+        ax.set_title(title)
 
     if savepath is not None:
         fig.savefig(savepath)
diff --git a/tests/plotting/main_sequence_plot_test.py b/tests/plotting/main_sequence_plot_test.py
index 2c752839c..f960ea3bc 100644
--- a/tests/plotting/main_sequence_plot_test.py
+++ b/tests/plotting/main_sequence_plot_test.py
@@ -169,6 +169,31 @@ def test_main_sequence_plot_not_show(input_df, show, monkeypatch):
     mock_function.assert_not_called()
 
 
+@pytest.mark.parametrize(
+    ('input_df', 'title'),
+    [
+        pytest.param(
+            EventDataFrame(
+                pl.DataFrame(
+                    {
+                        'amplitude': np.arange(100),
+                        'peak_velocity': np.linspace(10, 50, num=100),
+                        'name': ['saccade' for _ in range(100)],
+                    },
+                ),
+            ),
+            'foo',
+            id='do_not_show_plot',
+        ),
+    ],
+)
+def test_main_sequence_plot_set_title(input_df, title, monkeypatch):
+    mock_function = Mock()
+    monkeypatch.setattr(plt, 'title', mock_function)
+    main_sequence_plot(input_df, title=title)
+    plt.close()
+
+
 @pytest.mark.parametrize(
     ('input_df', 'expected_error', 'error_msg'),
     [
diff --git a/tests/plotting/traceplot_test.py b/tests/plotting/traceplot_test.py
index 0d1b2a3fd..8ded6fef2 100644
--- a/tests/plotting/traceplot_test.py
+++ b/tests/plotting/traceplot_test.py
@@ -109,6 +109,10 @@ def gaze_fixture():
             {'cval': np.arange(0, 200), 'show_cbar': False},
             id='show_cbar_false',
         ),
+        pytest.param(
+            {'cval': np.arange(0, 200), 'title': 'foo'},
+            id='set_title',
+        ),
     ],
 )
 def test_traceplot_show(gaze, kwargs, monkeypatch):
diff --git a/tox.ini b/tox.ini
index 50571bb92..5e5925bf9 100644
--- a/tox.ini
+++ b/tox.ini
@@ -80,9 +80,9 @@ commands =
 changedir = {toxinidir}
 deps =
     mypy
-    .[test]
     pandas-stubs
     types-all
+    types-tqdm
 commands =
     mypy {toxinidir}/src