Fix Flake8 issues

Introducing_Gemma_M0/Gemma_HIDkeyboard.py

@@ -51,7 +51,7 @@ while True:
                 pass  # wait for it to be released!
             # type the keycode or string
             k = buttonkeys[i]  # get the corresp. keycode/str
-            if type(k) is str:
+            if isinstance(k, str):
                 layout.write(k)
             else:
                 kbd.press(controlkey, k)  # press...

Introducing_Gemma_M0/Gemma_NeoPixel.py

@@ -16,9 +16,9 @@ def wheel(pos):
     # The colours are a transition r - g - b - back to r.
     if (pos < 0) or (pos > 255):
         return (0, 0, 0)
-    if (pos < 85):
+    if pos < 85:
         return (int(pos * 3), int(255 - (pos * 3)), 0)
-    elif (pos < 170):
+    elif pos < 170:
         pos -= 85
         return (int(255 - pos * 3), 0, int(pos * 3))
     else:

Introducing_Gemma_M0/Gemma_UART.py

@@ -1,8 +1,8 @@
 # Gemma IO demo - USB/Serial echo
 
 import busio
-from board import *
-from digitalio import *
+from board import D0, D2, D13
+from digitalio import DigitalInOut, Direction
 
 led = DigitalInOut(D13)
 led.direction = Direction.OUTPUT

Kaleidoscope_Eyes_NeoPixel_LED_Goggles/Kaleidoscope_Eyes_NeoPixel_LED_Goggles.py

@@ -27,19 +27,14 @@ prevtime = 0
 
 pixels = neopixel.NeoPixel(pixpin, numpix, brightness=.3, auto_write=False)
 
-
-def setup():
-    prevtime = time.monotonic()
-
-
-setup()
+prevtime = time.monotonic()
 
 while True:
     i = 0
     t = 0
 
     # Random sparks - just one LED on at a time!
-    if (mode == 0):
+    if mode == 0:
         i = random.randint(0, (numpix - 1))
         pixels[i] = color
         pixels.write()
@@ -47,12 +42,12 @@ while True:
         pixels[i] = (0, 0, 0)
 
     # Spinny wheels (8 LEDs on at a time)
-    elif (mode == 1):
+    elif mode == 1:
         for i in range(0, numpix):
             c = 0
 
             # 4 pixels on...
-            if (((offset + i) & 7) < 2):
+            if ((offset + i) & 7) < 2:
                 c = color
 
             pixels[i] = c  # First eye
@@ -64,12 +59,12 @@ while True:
 
     t = time.monotonic()
 
-    if ((t - prevtime) > 8):  # Every 8 seconds...
+    if (t - prevtime) > 8:  # Every 8 seconds...
         mode += 1  # Next mode
-        if (mode > 1):  # End of modes?
+        if mode > 1:  # End of modes?
             mode = 0  # Start modes over
 
-        if (rgb_idx > 2):  # reset R-->G-->B rotation
+        if rgb_idx > 2:  # reset R-->G-->B rotation
             rgb_idx = 0
 
         color = rgb_colors[rgb_idx]  # next color assignment

Larson_Scanner_Shades/Larson_Scanner_Shades.py

@@ -15,7 +15,7 @@ while True:
     strip[pos] = ([255, 48, 0])  # brightest
     strip[pos + 1] = ([128, 0, 0])  # Medium red
 
-    if ((pos + 2) < numpix):
+    if (pos + 2) < numpix:
         # Dark red, do not exceed number of pixels
         strip[pos + 2] = ([16, 0, 0])
 
@@ -26,14 +26,14 @@ while True:
     # it's easier to erase it all and draw a new one next time.
     for j in range(-2, 2):
         strip[pos + j] = (0, 0, 0)
-        if ((pos + 2) < numpix):
+        if (pos + 2) < numpix:
             strip[pos + 2] = (0, 0, 0)
 
     # Bounce off ends of strip
     pos += direction
-    if (pos < 0):
+    if pos < 0:
         pos = 1
         direction = -direction
-    elif (pos >= (numpix - 1)):
+    elif pos >= (numpix - 1):
         pos = numpix - 2
         direction = -direction