diff --git a/niworkflows/__init__.py b/niworkflows/__init__.py
index d3cf16edeaf..39e388513e8 100644
--- a/niworkflows/__init__.py
+++ b/niworkflows/__init__.py
@@ -15,11 +15,11 @@
 
 
 __all__ = [
-    '__version__',
-    '__packagename__',
+    'NIWORKFLOWS_LOG',
     '__copyright__',
     '__credits__',
-    'NIWORKFLOWS_LOG',
+    '__packagename__',
+    '__version__',
     'load_resource',
 ]
 
diff --git a/niworkflows/engine/plugin.py b/niworkflows/engine/plugin.py
index ba7e31e6007..7aa5d0ee414 100644
--- a/niworkflows/engine/plugin.py
+++ b/niworkflows/engine/plugin.py
@@ -303,7 +303,7 @@ def _local_hash_check(self, jobid, graph):
         overwrite = self.procs[jobid].overwrite
         always_run = self.procs[jobid].interface.always_run
 
-        if cached and updated and (overwrite is False or overwrite is None and not always_run):
+        if cached and updated and (overwrite is False or (overwrite is None and not always_run)):
             try:
                 self._task_finished_cb(jobid, cached=True)
                 self._remove_node_dirs()
diff --git a/niworkflows/interfaces/bids.py b/niworkflows/interfaces/bids.py
index ec7131dff3a..5fa6b3c2303 100644
--- a/niworkflows/interfaces/bids.py
+++ b/niworkflows/interfaces/bids.py
@@ -1470,7 +1470,7 @@ def _get_tf_resolution(space: str, resolution: str) -> str:
     res_meta = None
 
     # Due to inconsistencies, resolution keys may or may not be zero-padded
-    padded_res = f'{str(resolution):0>2}'
+    padded_res = f'{resolution:0>2}'
     for r in (resolution, padded_res):
         if r in resolutions:
             res_meta = resolutions[r]
diff --git a/niworkflows/interfaces/cifti.py b/niworkflows/interfaces/cifti.py
index c61b4c45b4f..bbe67ea75e4 100644
--- a/niworkflows/interfaces/cifti.py
+++ b/niworkflows/interfaces/cifti.py
@@ -202,7 +202,7 @@ def _prepare_cifti(grayordinates: str) -> tuple[list, str, dict]:
         '170k': {'surface-den': '59k', 'tf-res': '06', 'grayords': '170,494', 'res-mm': '1.6mm'},
     }
     if grayordinates not in grayord_key:
-        raise NotImplementedError('Grayordinates {grayordinates} is not supported.')
+        raise NotImplementedError(f'Grayordinates {grayordinates} is not supported.')
 
     tf_vol_res = grayord_key[grayordinates]['tf-res']
     total_grayords = grayord_key[grayordinates]['grayords']
diff --git a/niworkflows/interfaces/confounds.py b/niworkflows/interfaces/confounds.py
index 1f7d026b2ef..c9b63f109e5 100644
--- a/niworkflows/interfaces/confounds.py
+++ b/niworkflows/interfaces/confounds.py
@@ -535,20 +535,20 @@ def _expand_shorthand(model_formula, variables):
     nss = _get_matches_from_data('non_steady_state_outlier[0-9]+', variables)
     spikes = _get_matches_from_data('motion_outlier[0-9]+', variables)
 
-    model_formula = re.sub('wm', wm, model_formula)
-    model_formula = re.sub('gsr', gsr, model_formula)
-    model_formula = re.sub('rps', rps, model_formula)
-    model_formula = re.sub('fd', fd, model_formula)
-    model_formula = re.sub('acc', acc, model_formula)
-    model_formula = re.sub('tcc', tcc, model_formula)
-    model_formula = re.sub('dv', dv, model_formula)
-    model_formula = re.sub('dvall', dvall, model_formula)
-    model_formula = re.sub('nss', nss, model_formula)
-    model_formula = re.sub('spikes', spikes, model_formula)
+    model_formula = re.sub(r'wm', wm, model_formula)
+    model_formula = re.sub(r'gsr', gsr, model_formula)
+    model_formula = re.sub(r'rps', rps, model_formula)
+    model_formula = re.sub(r'fd', fd, model_formula)
+    model_formula = re.sub(r'acc', acc, model_formula)
+    model_formula = re.sub(r'tcc', tcc, model_formula)
+    model_formula = re.sub(r'dv', dv, model_formula)
+    model_formula = re.sub(r'dvall', dvall, model_formula)
+    model_formula = re.sub(r'nss', nss, model_formula)
+    model_formula = re.sub(r'spikes', spikes, model_formula)
 
     formula_variables = _get_variables_from_formula(model_formula)
     others = ' + '.join(set(variables) - set(formula_variables))
-    model_formula = re.sub('others', others, model_formula)
+    model_formula = re.sub(r'others', others, model_formula)
     return model_formula
 
 
diff --git a/niworkflows/interfaces/nibabel.py b/niworkflows/interfaces/nibabel.py
index d041164a692..d8c4a7b2094 100644
--- a/niworkflows/interfaces/nibabel.py
+++ b/niworkflows/interfaces/nibabel.py
@@ -22,6 +22,8 @@
 #
 """Nibabel-based interfaces."""
 
+from __future__ import annotations
+
 from pathlib import Path
 from warnings import warn
 
@@ -520,9 +522,9 @@ def _run_interface(self, runtime):
 def reorient_file(
     in_file: str,
     *,
-    target_file: str = None,
-    target_ornt: str = None,
-    newpath: str = None,
+    target_file: str | None = None,
+    target_ornt: str | None = None,
+    newpath: str | None = None,
 ) -> str:
     """
     Reorient an image.
diff --git a/niworkflows/interfaces/nilearn.py b/niworkflows/interfaces/nilearn.py
index 711098d095c..bf1f7bdf175 100644
--- a/niworkflows/interfaces/nilearn.py
+++ b/niworkflows/interfaces/nilearn.py
@@ -47,7 +47,7 @@
     NILEARN_VERSION = 'unknown'
 
 LOGGER = logging.getLogger('nipype.interface')
-__all__ = ['NILEARN_VERSION', 'MaskEPI', 'Merge', 'ComputeEPIMask']
+__all__ = ['NILEARN_VERSION', 'ComputeEPIMask', 'MaskEPI', 'Merge']
 
 
 class _MaskEPIInputSpec(BaseInterfaceInputSpec):
diff --git a/niworkflows/interfaces/tests/test_nibabel.py b/niworkflows/interfaces/tests/test_nibabel.py
index 7207502a344..498c9160ff4 100644
--- a/niworkflows/interfaces/tests/test_nibabel.py
+++ b/niworkflows/interfaces/tests/test_nibabel.py
@@ -49,7 +49,7 @@ def create_roi(tmp_path):
     def _create_roi(affine, img_data, roi_index):
         img_data[tuple(roi_index)] = 1
         nii = nb.Nifti1Image(img_data, affine)
-        filename = tmp_path / f'{str(uuid.uuid4())}.nii.gz'
+        filename = tmp_path / f'{uuid.uuid4()}.nii.gz'
         files.append(filename)
         nii.to_filename(filename)
         return filename
diff --git a/niworkflows/reports/core.py b/niworkflows/reports/core.py
index d954fa34c97..70e30f2d745 100644
--- a/niworkflows/reports/core.py
+++ b/niworkflows/reports/core.py
@@ -384,7 +384,7 @@ def generate_report(self):
 
         if (logs_path / 'CITATION.html').exists():
             text = (
-                re.compile('<body>(.*?)</body>', re.DOTALL | re.IGNORECASE)
+                re.compile(r'<body>(.*?)</body>', re.DOTALL | re.IGNORECASE)
                 .findall((logs_path / 'CITATION.html').read_text())[0]
                 .strip()
             )
diff --git a/niworkflows/utils/bids.py b/niworkflows/utils/bids.py
index d323464f8ce..621d642055e 100644
--- a/niworkflows/utils/bids.py
+++ b/niworkflows/utils/bids.py
@@ -388,7 +388,7 @@ def group_multiecho(bold_sess):
     def _grp_echos(x):
         if '_echo-' not in x:
             return x
-        echo = re.search('_echo-\\d*', x).group(0)
+        echo = re.search(r'_echo-\d*', x).group(0)
         return x.replace(echo, '_echo-?')
 
     ses_uids = []
diff --git a/niworkflows/utils/misc.py b/niworkflows/utils/misc.py
index e06b956f86e..0793ae42784 100644
--- a/niworkflows/utils/misc.py
+++ b/niworkflows/utils/misc.py
@@ -28,13 +28,13 @@
 import warnings
 
 __all__ = [
-    'get_template_specs',
-    'fix_multi_T1w_source_name',
+    '_copy_any',
     'add_suffix',
+    'clean_directory',
+    'fix_multi_T1w_source_name',
+    'get_template_specs',
     'read_crashfile',
     'splitext',
-    '_copy_any',
-    'clean_directory',
 ]
 
 
diff --git a/niworkflows/utils/spaces.py b/niworkflows/utils/spaces.py
index eb82851bd7c..ac6b607573c 100644
--- a/niworkflows/utils/spaces.py
+++ b/niworkflows/utils/spaces.py
@@ -464,7 +464,7 @@ class SpatialReferences:
 
     """
 
-    __slots__ = ('_refs', '_cached')
+    __slots__ = ('_cached', '_refs')
     standard_spaces = tuple(_tfapi.templates())
     """List of supported standard reference spaces."""
 
diff --git a/niworkflows/viz/__init__.py b/niworkflows/viz/__init__.py
index 0a86420550c..151dae80d25 100644
--- a/niworkflows/viz/__init__.py
+++ b/niworkflows/viz/__init__.py
@@ -11,4 +11,4 @@
 
 warnings.warn(msg, PendingDeprecationWarning, stacklevel=2)
 
-__all__ = ['plot_carpet', 'SVGNS']
+__all__ = ['SVGNS', 'plot_carpet']
diff --git a/niworkflows/viz/plots.py b/niworkflows/viz/plots.py
index 3ae21769cf8..f837bbc5834 100644
--- a/niworkflows/viz/plots.py
+++ b/niworkflows/viz/plots.py
@@ -39,14 +39,14 @@ class fMRIPlot:
     """Generates the fMRI Summary Plot."""
 
     __slots__ = (
-        'timeseries',
-        'segments',
-        'tr',
         'confounds',
-        'spikes',
         'nskip',
-        'sort_carpet',
         'paired_carpet',
+        'segments',
+        'sort_carpet',
+        'spikes',
+        'timeseries',
+        'tr',
     )
 
     def __init__(
diff --git a/niworkflows/viz/utils.py b/niworkflows/viz/utils.py
index a82ce564925..60883cfb203 100644
--- a/niworkflows/viz/utils.py
+++ b/niworkflows/viz/utils.py
@@ -138,10 +138,10 @@ def extract_svg(display_object, dpi=300, compress='auto'):
     image_svg = svg2str(display_object, dpi)
     if compress is True or compress == 'auto':
         image_svg = svg_compress(image_svg, compress)
-    image_svg = re.sub(' height="[0-9]+[a-z]*"', '', image_svg, count=1)
-    image_svg = re.sub(' width="[0-9]+[a-z]*"', '', image_svg, count=1)
+    image_svg = re.sub(r' height="[0-9]+[a-z]*"', '', image_svg, count=1)
+    image_svg = re.sub(r' width="[0-9]+[a-z]*"', '', image_svg, count=1)
     image_svg = re.sub(
-        ' viewBox', ' preseveAspectRation="xMidYMid meet" viewBox', image_svg, count=1
+        r' viewBox', ' preseveAspectRation="xMidYMid meet" viewBox', image_svg, count=1
     )
     start_tag = '<svg '
     start_idx = image_svg.find(start_tag)