Scroll-phat problems

Hi all,

I have a scroll-phat that I cant seem to get working on my raspberry pi 0 (jessie raspbian), I have this error when I try to run an example

Traceback (most recent call last):
  File "test-all.py", line 5, in <module>
    import scrollphat
  File "build/bdist.linux-armv6l/egg/scrollphat/__init__.py", line 8, in <module>
  File "build/bdist.linux-armv6l/egg/scrollphat/IS31FL3730.py", line 21, in __init__
  File "build/bdist.linux-armv6l/egg/scrollphat/IS31FL3730.py", line 62, in set_mode
IOError: [Errno 5] Input/output error

I hope that my solder joint are not the problem! Would appricate any advice feedback- thank you

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