Replace tab with spaces

Author: Septolum

adafruit_st7735r.py

@@ -91,5 +91,5 @@ def __init__(self, bus, *, bgr=False, invert=False, **kwargs):
         if bgr:
             init_sequence += b"\x36\x01\xC0" # _MADCTL Default rotation plus BGR encoding
         if invert:
-        	init_sequence += b"\x21\x00" # _INVON
+            init_sequence += b"\x21\x00" # _INVON
         super().__init__(bus, init_sequence, **kwargs)