diff --git a/kmk/firmware.py b/kmk/firmware.py
index c29f5c5..e73ba22 100644
--- a/kmk/firmware.py
+++ b/kmk/firmware.py
@@ -17,16 +17,21 @@
 
 # First, stuff that has no dependencies, or only C/MPY deps
 import collections
+
+import gc
+
 import kmk.consts
-import kmk.kmktime
-import kmk.types
-
-# Now stuff that depends on the above (and so on)
-import kmk.keycodes
-import kmk.matrix
-
 import kmk.hid
 import kmk.internal_state
+# Now stuff that depends on the above (and so on)
+import kmk.keycodes
+import kmk.kmktime
+import kmk.matrix
+import kmk.types
+from kmk.consts import LeaderMode, UnicodeModes
+from kmk.hid import USB_HID
+from kmk.internal_state import InternalState
+from kmk.matrix import MatrixScanner
 
 # GC runs automatically after CircuitPython imports. If we ever go back to
 # supporting MicroPython, we'll need a GC here (and probably after each
@@ -34,12 +39,6 @@ import kmk.internal_state
 
 # Thanks for sticking around. Now let's do real work, starting below
 
-import gc
-from kmk.consts import LeaderMode, UnicodeModes
-from kmk.hid import USB_HID
-from kmk.internal_state import InternalState
-from kmk.matrix import MatrixScanner
-
 
 class Firmware:
     debug_enabled = False
diff --git a/kmk/kmktime.py b/kmk/kmktime.py
index 1b52a56..39381c8 100644
--- a/kmk/kmktime.py
+++ b/kmk/kmktime.py
@@ -1,6 +1,6 @@
 import math
-
 import time
+
 USE_UTIME = False
 
 
diff --git a/kmk/macros/simple.py b/kmk/macros/simple.py
index 00e9bba..9fb1734 100644
--- a/kmk/macros/simple.py
+++ b/kmk/macros/simple.py
@@ -1,8 +1,6 @@
 import string
 
-from kmk.keycodes import (Keycodes, Macro, RawKeycodes, char_lookup,
-                          lookup_kc_with_cache)
-from kmk.kmktime import sleep_ms
+from kmk.keycodes import Keycodes, Macro, char_lookup, lookup_kc_with_cache
 
 
 def simple_key_sequence(seq):
diff --git a/kmk/macros/unicode.py b/kmk/macros/unicode.py
index 345f264..2c5e280 100644
--- a/kmk/macros/unicode.py
+++ b/kmk/macros/unicode.py
@@ -1,6 +1,7 @@
 from kmk.consts import UnicodeModes
-from kmk.keycodes import Common, Macro, Modifiers, generate_codepoint_keysym_seq
-from kmk.macros.simple import lookup_kc_with_cache, simple_key_sequence
+from kmk.keycodes import (Common, Macro, Modifiers,
+                          generate_codepoint_keysym_seq)
+from kmk.macros.simple import simple_key_sequence
 from kmk.types import AttrDict
 from kmk.util import get_wide_ordinal