Error installing exempi on AWS-SageMaker notebook instance

Question

I have created a notebook instance on AWS-SageMaker and not able to access imgtag module inside it.

Kernel : conda_python3

from imgtag import imgTag

getting error like :

---------------------------------------------------------------------------
ExempiLoadError                           Traceback (most recent call last)
<ipython-input-3-07781880ca1d> in <module>
----> 1 from imgtag import ImgTag

~/anaconda3/envs/python3/lib/python3.6/site-packages/imgtag/__init__.py in <module>
----> 1 from .core import ImgTag

~/anaconda3/envs/python3/lib/python3.6/site-packages/imgtag/core.py in <module>
----> 1 import libxmp
      2 import warnings
      3 import os
      4 
      5 class ImgTag:

~/anaconda3/envs/python3/lib/python3.6/site-packages/libxmp/__init__.py in <module>
     48 
     49 # Import classes into global namespace
---> 50 from .core import XMPMeta, XMPIterator
     51 from . import files, core, version
     52 from .files import XMPFiles

~/anaconda3/envs/python3/lib/python3.6/site-packages/libxmp/core.py in <module>
     48 from .consts import XMP_PROP_OPTIONS
     49 
---> 50 from . import exempi as _cexempi
     51 
     52 __all__ = ['XMPMeta','XMPIterator']

~/anaconda3/envs/python3/lib/python3.6/site-packages/libxmp/exempi.py in <module>
     67     return EXEMPI
     68 
---> 69 EXEMPI = _load_exempi()
     70 
     71 # Error codes defined by libexempi.  See "xmperrors.h"

~/anaconda3/envs/python3/lib/python3.6/site-packages/libxmp/exempi.py in _load_exempi()
     58 
     59     if path is None:
---> 60         raise ExempiLoadError('Exempi library not found.')
     61 
     62     if os.name != "nt":

ExempiLoadError: Exempi library not found.

Also, I have installed the dependecies using conda install exempi