ImportError: No module named LatLongUTMconversion

[ghost]

C:\Users\nietky\github\MTpy [master]> python -c 'import MTpy.core.MTtools'
Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "MTpy\core\MTtools.py", line 14, in <module>
    import Z
  File "MTpy\core\Z.py", line 18, in <module>
    import LatLongUTMconversion as utm2ll
ImportError: No module named LatLongUTMconversion

Make sure you use the full package path on imports.