diff --git a/Crickits/metallobot/code.py b/Crickits/metallobot/code.py
index 754461065..ccd92b4a7 100644
--- a/Crickits/metallobot/code.py
+++ b/Crickits/metallobot/code.py
@@ -6,7 +6,6 @@ from adafruit_motor import servo, motor
 from busio import I2C
 import board
 import time
-import gc
 
 i2c = I2C(board.SCL, board.SDA)
 ss = Seesaw(i2c)
@@ -39,32 +38,32 @@ servos[0].angle = 180
 
 while True:
     if switch.value:
-	# Switch is on, activate MUSIC POWER!
+    # Switch is on, activate MUSIC POWER!
 
-	# motor forward slowly
-	motors[0].throttle = 0.2
-	# mote the head forward slowly, over 0.9 seconds
-	for a in range(180, 90, -1):
-	    servos[0].angle = a
-	    time.sleep(0.01)
+    # motor forward slowly
+    motors[0].throttle = 0.2
+    # mote the head forward slowly, over 0.9 seconds
+    for a in range(180, 90, -1):
+        servos[0].angle = a
+        time.sleep(0.01)
 
-	# motor stop
-	motors[0].throttle = 0
-	time.sleep(1)
+    # motor stop
+    motors[0].throttle = 0
+    time.sleep(1)
 
-	# motor backwards slowly
-	motors[0].throttle = -0.2
-	# move the head back slowly too, over 0.9 seconds
-	for a in range(90, 180):
-	    servos[0].angle = a
-	    time.sleep(0.01)
-	# calibration! its a *tiny* bit slower going back so give it a few ms
-	time.sleep(0.007)
+    # motor backwards slowly
+    motors[0].throttle = -0.2
+    # move the head back slowly too, over 0.9 seconds
+    for a in range(90, 180):
+        servos[0].angle = a
+        time.sleep(0.01)
+    # calibration! its a *tiny* bit slower going back so give it a few ms
+    time.sleep(0.007)
 
-	# motor stop
-	motors[0].throttle = 0
-	time.sleep(1)
+    # motor stop
+    motors[0].throttle = 0
+    time.sleep(1)
     else:
-	# switch is 'off' so dont do anything!
-	pass
+    # switch is 'off' so dont do anything!
+    pass
 
diff --git a/Crickits/robby_gyrobot/code.py b/Crickits/robby_gyrobot/code.py
index 1694fbf1d..f48228cae 100644
--- a/Crickits/robby_gyrobot/code.py
+++ b/Crickits/robby_gyrobot/code.py
@@ -89,34 +89,34 @@ while True:                          # Main Loop poll switches, do commands
     #print(touch_vals)
     
     if touch2.raw_value > 3000:
-	print("Open jaws")
-	pixels.fill((50,50,0))
+    print("Open jaws")
+    pixels.fill((50,50,0))
         IR_Command(Open)             # Button A opens arms
     
     elif touch3.raw_value > 3000:
-	print("Close jaws")
-	pixels.fill((0,50,0))
+    print("Close jaws")
+    pixels.fill((0,50,0))
         IR_Command(Close)            # Button B closes arms
 
     elif seesaw.touch_read(0) > CAPTOUCH_THRESH:
-	print("Up")
-	pixels.fill((50,0,50))
-	IR_Command(Up)
+    print("Up")
+    pixels.fill((50,0,50))
+    IR_Command(Up)
 
     elif seesaw.touch_read(1) > CAPTOUCH_THRESH:
-	print("Down")
-	pixels.fill((50,50,50))
-	IR_Command(Down)
+    print("Down")
+    pixels.fill((50,50,50))
+    IR_Command(Down)
 
     elif seesaw.touch_read(2) > CAPTOUCH_THRESH:
-	print("Left")
-	pixels.fill((50,0,0))
-	IR_Command(Left)
+    print("Left")
+    pixels.fill((50,0,0))
+    IR_Command(Left)
 
     elif seesaw.touch_read(3) > CAPTOUCH_THRESH:
-	print("Right")
-	pixels.fill((0,0,50))
-	IR_Command(Right)
+    print("Right")
+    pixels.fill((0,0,50))
+    IR_Command(Right)
 	
     time.sleep(0.1)
     pixels.fill((0,0,0))
diff --git a/Crickits/yayayay_flier/code.py b/Crickits/yayayay_flier/code.py
index e36606cd1..64d101cb9 100644
--- a/Crickits/yayayay_flier/code.py
+++ b/Crickits/yayayay_flier/code.py
@@ -1,4 +1,4 @@
-# pylint: disable:wrong-import-position
+# pylint: disable=wrong-import-position
 import time
 import gc
 import pulseio