diff --git a/kmk/scanners/keypad.py b/kmk/scanners/keypad.py
index cc7c29742..ee3b9fd3e 100644
--- a/kmk/scanners/keypad.py
+++ b/kmk/scanners/keypad.py
@@ -4,23 +4,23 @@
 
 
 class KeypadScanner(Scanner):
-    '''
+    """
     Translation layer around a CircuitPython 7 keypad scanner.
 
     :param pin_map: A sequence of (row, column) tuples for each key.
     :param kp: An instance of the keypad class.
-    '''
+    """
 
     @property
     def key_count(self):
         return self.keypad.key_count
 
     def scan_for_changes(self):
-        '''
+        """
         Scan for key events and return a key report if an event exists.
 
         The key report is a byte array with contents [row, col, True if pressed else False]
-        '''
+        """
         ev = self.keypad.events.get()
         if ev and self.offset:
             return keypad.Event(ev.key_number + self.offset, ev.pressed)
@@ -28,13 +28,13 @@ def scan_for_changes(self):
 
 
 class MatrixScanner(KeypadScanner):
-    '''
+    """
     Row/Column matrix using the CircuitPython 7 keypad scanner.
 
     :param row_pins: A sequence of pins used for rows.
     :param col_pins: A sequence of pins used for columns.
     :param direction: The diode orientation of the matrix.
-    '''
+    """
 
     def __init__(
         self,
@@ -49,16 +49,16 @@ def __init__(
         args = [
             row_pins,
             column_pins,
-            ]
+        ]
         for i in args:
             if i is None:
                 args.pop(i)
         kwargs = {
-            'columns_to_anodes': columns_to_anodes,
-            'interval': interval,
-            'debounce_threshold': debounce_threshold,
-            'max_events': max_events,
-            }
+            "columns_to_anodes": columns_to_anodes,
+            "interval": interval,
+            "debounce_threshold": debounce_threshold,
+            "max_events": max_events,
+        }
         for key, value in kwargs.items():
             if value is None:
                 kwargs.pop(key)
@@ -67,11 +67,11 @@ def __init__(
 
 
 class KeysScanner(KeypadScanner):
-    '''
+    """
     GPIO-per-key 'matrix' using the native CircuitPython 7 keypad scanner.
 
     :param pins: An array of arrays of CircuitPython Pin objects, such that pins[r][c] is the pin for row r, column c.
-    '''
+    """
 
     def __init__(
         self,
@@ -85,17 +85,17 @@ def __init__(
     ):
         args = [
             pins,
-            ]
+        ]
         for i in args:
             if i is None:
                 args.pop(i)
         kwargs = {
-            'value_when_pressed': value_when_pressed,
-            'pull': pull,
-            'interval': interval,
-            'debounce_threshold': debounce_threshold,
-            'max_events': max_events,
-            }
+            "value_when_pressed": value_when_pressed,
+            "pull": pull,
+            "interval": interval,
+            "debounce_threshold": debounce_threshold,
+            "max_events": max_events,
+        }
         for key, value in kwargs.items():
             if value is None:
                 kwargs.pop(key)
@@ -122,17 +122,17 @@ def __init__(
             data,
             latch,
             key_count,
-            ]
+        ]
         for i in args:
             if i is None:
                 args.pop(i)
         kwargs = {
-            'value_to_latch': value_to_latch,
-            'value_when_pressed': value_when_pressed,
-            'interval': interval,
-            'debounce_threshold': debounce_threshold,
-            'max_events': max_events,
-            }
+            "value_to_latch": value_to_latch,
+            "value_when_pressed": value_when_pressed,
+            "interval": interval,
+            "debounce_threshold": debounce_threshold,
+            "max_events": max_events,
+        }
         for key, value in kwargs.items():
             if value is None:
                 kwargs.pop(key)