From d8b963f623ccbdf206a6a1ad09133fb539ea0b72 Mon Sep 17 00:00:00 2001
From: Clemens Brunner <clemens.brunner@gmail.com>
Date: Mon, 24 Feb 2025 09:47:38 +0100
Subject: [PATCH] Fix ruff errors

---
 mne/cov.py            | 1 +
 mne/dipole.py         | 1 +
 mne/fixes.py          | 7 ++++---
 mne/report/report.py  | 2 +-
 mne/utils/__init__.py | 2 ++
 mne/viz/topo.py       | 1 +
 6 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/mne/cov.py b/mne/cov.py
index 802dd52548a..a27dbeea5ab 100644
--- a/mne/cov.py
+++ b/mne/cov.py
@@ -53,6 +53,7 @@
 )
 from .rank import _compute_rank
 from .utils import (
+    _array_repr,
     _check_fname,
     _check_on_missing,
     _check_option,
diff --git a/mne/dipole.py b/mne/dipole.py
index 6f92fc59a26..906daba9c06 100644
--- a/mne/dipole.py
+++ b/mne/dipole.py
@@ -46,6 +46,7 @@
     copy_function_doc_to_method_doc,
     fill_doc,
     logger,
+    pinvh,
     verbose,
     warn,
 )
diff --git a/mne/fixes.py b/mne/fixes.py
index 1a3d7c41ff7..1b7f57228c8 100644
--- a/mne/fixes.py
+++ b/mne/fixes.py
@@ -1,4 +1,4 @@
-"""Compatibility fixes for older versions of libraries
+"""Compatibility fixes for older versions of libraries.
 
 If you add content to this file, please give the version of the package
 at which the fix is no longer needed.
@@ -70,7 +70,7 @@ def _median_complex(data, axis):
 
 
 def _safe_svd(A, **kwargs):
-    """Wrapper to get around the SVD did not converge error of death"""
+    """Workaround the SVD did not converge error of death."""
     # Intel has a bug with their GESVD driver:
     #     https://software.intel.com/en-us/forums/intel-distribution-for-python/topic/628049  # noqa: E501
     # For SciPy 0.18 and up, we can work around it by using
@@ -112,7 +112,7 @@ def rng_uniform(rng):
 
 
 def _validate_sos(sos):
-    """Helper to validate a SOS input."""
+    """Help validate an SOS input."""
     sos = np.atleast_2d(sos)
     if sos.ndim != 2:
         raise ValueError("sos array must be 2D")
@@ -527,6 +527,7 @@ def _assess_dimension_(spectrum, rank, n_samples, n_features):
 
 
 def svd_flip(u, v, u_based_decision=True):
+    """Sign correction to ensure deterministic output from SVD."""
     if u_based_decision:
         # columns of u, rows of v
         max_abs_cols = np.argmax(np.abs(u), axis=0)
diff --git a/mne/report/report.py b/mne/report/report.py
index 52ad97b9f3e..0fa7aa9e87c 100644
--- a/mne/report/report.py
+++ b/mne/report/report.py
@@ -80,7 +80,7 @@
 from ..viz._brain.view import views_dicts
 from ..viz._scraper import _mne_qt_browser_screenshot
 from ..viz.misc import _get_bem_plotting_surfaces, _plot_mri_contours
-from ..viz.utils import _ndarray_to_fig
+from ..viz.utils import _get_plot_ch_type, _ndarray_to_fig
 
 _BEM_VIEWS = ("axial", "sagittal", "coronal")
 
diff --git a/mne/utils/__init__.py b/mne/utils/__init__.py
index 3674058a139..63ea264a98f 100644
--- a/mne/utils/__init__.py
+++ b/mne/utils/__init__.py
@@ -183,6 +183,7 @@
     _arange_div,
     _hashable_ndarray,
     _custom_lru_cache,
+    _array_repr,
 )
 from .mixin import (
     SizeMixin,
@@ -201,6 +202,7 @@
     eigh,
     _get_blas_funcs,
     pinv,
+    pinvh,
 )
 from .dataframe import (
     _set_pandas_dtype,
diff --git a/mne/viz/topo.py b/mne/viz/topo.py
index 5e351bf8d97..1bbaeeb5e96 100644
--- a/mne/viz/topo.py
+++ b/mne/viz/topo.py
@@ -10,6 +10,7 @@
 import numpy as np
 
 from .._fiff.pick import _picks_to_idx, channel_type, pick_types
+from ..channels import find_layout
 from ..defaults import _handle_default
 from ..utils import Bunch, _check_option, _clean_names, _is_numeric, _to_rgb, fill_doc
 from .ui_events import ChannelsSelect, publish, subscribe