diff --git a/Lib/fontParts/base/component.py b/Lib/fontParts/base/component.py
index 0e5f791b..f054e2ed 100644
--- a/Lib/fontParts/base/component.py
+++ b/Lib/fontParts/base/component.py
@@ -49,6 +49,7 @@ class BaseComponent(
     inserted as part of an outline.
 
     """
+
     copyAttributes: Tuple[str, str] = ("baseGlyph", "transformation")
 
     def _reprContents(self) -> List[str]:
@@ -227,7 +228,7 @@ def _set_baseGlyph(self, value: str) -> None:
         :return: A :ref:`type-transformation` value representing the
             transformation matrix of the component.
 
-        """
+        """,
     )
 
     def _get_base_transformation(self) -> SextupleType[float]:
@@ -288,7 +289,7 @@ def _set_transformation(self, value: SextupleCollectionType[IntFloatType]) -> No
 
         :return: A :ref:`type-coordinate.` representing the offset of the component.
 
-        """
+        """,
     )
 
     def _get_base_offset(self) -> PairType[IntFloatType]:
@@ -348,7 +349,7 @@ def _set_offset(self, value: PairCollectionType[IntFloatType]) -> None:
         :return: A :class:`tuple` of two :class:`float` items representing the
             ``(x, y)`` scale of the component.
 
-        """
+        """,
     )
 
     def _get_base_scale(self) -> PairType[float]:
@@ -416,7 +417,7 @@ def _set_scale(self, value: PairCollectionType[IntFloatType]) -> None:
         :raise FontPartsError: If attempting to set the index while the
             component does not belong to a glyph.
 
-        """
+        """,
     )
 
     def _get_base_index(self) -> Optional[int]:
@@ -740,18 +741,18 @@ def _get_base_bounds(self) -> QuadrupleType[float]:
     def _get_bounds(self) -> QuadrupleType[float]:
         """Get the bounds of the component.
 
-        This is the environment implementation of the :attr:`BaseComponent.bounds`
-        property getter.
+         This is the environment implementation of the :attr:`BaseComponent.bounds`
+         property getter.
 
-       :return: A :class:`tuple` of four :class:`int` or :class:`float` values
-            in the form ``(x minimum, y minimum, x maximum, y maximum)``
-            representing the bounds of the component, or :obj:`None` if the
-            component is empty. The value will be normalized
-            with :func:`normalizers.normalizeBoundingBox`.
+        :return: A :class:`tuple` of four :class:`int` or :class:`float` values
+             in the form ``(x minimum, y minimum, x maximum, y maximum)``
+             representing the bounds of the component, or :obj:`None` if the
+             component is empty. The value will be normalized
+             with :func:`normalizers.normalizeBoundingBox`.
 
-        .. note::
+         .. note::
 
-            Subclasses may override this method.
+             Subclasses may override this method.
 
         """
         pen = BoundsPen(self.layer)
diff --git a/Lib/fontParts/base/font.py b/Lib/fontParts/base/font.py
index 0899ef0a..75002d68 100644
--- a/Lib/fontParts/base/font.py
+++ b/Lib/fontParts/base/font.py
@@ -2058,7 +2058,9 @@ def _interpolate(
 
     compatibilityReporterClass = FontCompatibilityReporter
 
-    def isCompatible(self, other: BaseFont, cls=None) -> Tuple[bool, FontCompatibilityReporter]:
+    def isCompatible(
+        self, other: BaseFont, cls=None
+    ) -> Tuple[bool, FontCompatibilityReporter]:
         """Evaluate interpolation compatibility with another font.
 
         This method will return a :class:`bool` indicating if the font is
diff --git a/Lib/fontParts/base/glyph.py b/Lib/fontParts/base/glyph.py
index f5530694..dc6c9a81 100644
--- a/Lib/fontParts/base/glyph.py
+++ b/Lib/fontParts/base/glyph.py
@@ -2795,7 +2795,9 @@ def _checkPairs(
                 reporter.warning = True
             reporterObject.append(compatibility)
 
-    def isCompatible(self, other: BaseGlyph, cls=None) -> Tuple[bool, GlyphCompatibilityReporter]:
+    def isCompatible(
+        self, other: BaseGlyph, cls=None
+    ) -> Tuple[bool, GlyphCompatibilityReporter]:
         """Evaluate interpolation compatibility with another glyph.
 
         :param other: The other :class:`BaseGlyph` instance to check
diff --git a/Lib/fontParts/base/layer.py b/Lib/fontParts/base/layer.py
index ad60e970..8c365a0f 100644
--- a/Lib/fontParts/base/layer.py
+++ b/Lib/fontParts/base/layer.py
@@ -1107,7 +1107,9 @@ def _interpolate(
 
     compatibilityReporterClass = LayerCompatibilityReporter
 
-    def isCompatible(self, other: BaseLayer, cls=None) -> Tuple[bool, LayerCompatibilityReporter]:
+    def isCompatible(
+        self, other: BaseLayer, cls=None
+    ) -> Tuple[bool, LayerCompatibilityReporter]:
         """Evaluate interpolation compatibility with another layer.
 
         :param other: The other :class:`BaseLayer` instance to check