reading exif_version fails with NotImplementedError

---------------------------------------------------------------------------
NotImplementedError                       Traceback (most recent call last)
<ipython-input-8-f00cb13831ea> in <module>
----> 1 my_image.exif_version()

c:\users\daemon\appdata\local\programs\python\python37-32\lib\site-packages\exif\_image.py in __getattr__(self, item)
     76 
     77     def __getattr__(self, item):
---> 78         return getattr(self._segments['APP1'], item)
     79 
     80     def __setattr__(self, key, value):

c:\users\daemon\appdata\local\programs\python\python37-32\lib\site-packages\exif\_app1_metadata.py in __getattr__(self, item)
    257             raise AttributeError(ERROR_IMG_NO_ATTR.format(item))
    258 
--> 259         return ifd_tag.read()
    260 
    261     def __setattr__(self, key, value):

c:\users\daemon\appdata\local\programs\python\python37-32\lib\site-packages\exif\_ifd_tag\_base.py in read(self)
     59 
     60         """
---> 61         raise NotImplementedError("cannot read a base/unknown IFD tag instance")

NotImplementedError: cannot read a base/unknown IFD tag instance