Unsuccessful lammps-cython installation

After lammps-cython had installed successfully, when running import lammps (or any version of) the following message appears. This disappears when lammps-cython is uninstalled and running directly from the lammps python interface.

ImportError                               Traceback (most recent call last)
<ipython-input-1-17c854ae521b> in <module>
      3 from pymatgen.symmetry.analyzer import SpacegroupAnalyzer
      4 # import lammps
----> 5 from lammps import lammps, IPyLammps
      6 L = IPyLammps()

~/Documents/current_work/matt_potential/fitting/lib/python3.7/site-packages/lammps/__init__.py in <module>
----> 1 from .core import Lammps

ImportError: dlopen(/Users/lmm82/Documents/current_work/matt_potential/fitting/lib/python3.7/site-packages/lammps/core.cpython-37m-darwin.so, 2): Library not loaded: ../liblammps_mpi.so
  Referenced from: /Users/lmm82/Documents/current_work/matt_potential/fitting/lib/python3.7/site-packages/lammps/core.cpython-37m-darwin.so
  Reason: image not found```