use newer importlib.util.find_spec function (other was removed)

Author: OldUser101

robot/__init__.py

@@ -5,7 +5,7 @@
 
 import importlib
 
-has_picamera = importlib.find_loader("picamera") is not None
+has_picamera = importlib.util.find_spec("picamera") is not None
 
 if not has_picamera:
     import sys

setup.py

@@ -6,6 +6,7 @@
     packages=["robot"],
 
     install_requires=[
+        "fake-rpi>=0.7.1",
     ],
 
     author="Skyler Grey",