add path check for neopixel

Author: caternuson

adafruit_seesaw/neopixel.py

@@ -18,6 +18,9 @@
     def const(x):
         return x
 
+### hack to make sure this module is not placed in root CIRCUITPY/lib folder
+if __file__.split('/')[-2] != 'adafruit_seesaw':
+    raise ImportError("seesaw neopixel being imported from wrong location")
 
 __version__ = "0.0.0+auto.0"
 __repo__ = "https://github.com/adafruit/Adafruit_CircuitPython_seesaw.git"