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I have a Adafruit PWM hat and I am trying to run play around with some servos. However, when I run this line:

from adafruit_servokit import ServoKit

It returns: 

No module named 'adafruit_circuitpython_servokit'

I have already run:

pip3 install adafruit-circuitpython-servokit

After running the above command, it states that all requirements have been satisfied so it doesn't seem as though I am missing any module. Any ideas on what the issue could be?

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  • Your program looks OK. I did the same and found no problem importing the servoKit thing. You might like to run my bare bone test program (debugged with sample output) to compare. penzu.com/p/46a4cc44 – tlfong01 Aug 4 at 14:25
  • Do you have more than one version of Python installed? (This is common and frustrating.) In that case, pip may have installed the package into a different version than the one that you are using. – Brick Aug 4 at 14:26
  • @Brick I have Python 2 and 3.7 installed. Since I used pip3 it should install to Python 3.7. – Richard Wessels Aug 4 at 14:36
  • @tlfong01 Sadly the error occurs as soon as the import statement is run :( – Richard Wessels Aug 4 at 14:37
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    @Richard Wessels, Many thanks for clarifying my mind. – tlfong01 Aug 8 at 3:20
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I installed the module as a normal user without sudo, so it was installed to that user's home directory and not the system. Running the script as root via sudo then meant that installation was not in the import path.

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  • After reading servo hat tutorial, I know why mgpi84p44 suggests to sudo install python 3, to make sure even system default python 2, python 3 will install. However, Servokit should be installed in pi's /home/lib. Now of course you just use python3 myporg to run program, no sudo python3. (I only know very basic sudo, so only 80% sure.) – tlfong01 Aug 8 at 3:19

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