Cannot run/build tv about tv HOT 3 OPEN

Traceback (most recent call last):
  File "/home/swoodworth/.local/lib/python3.6/site-packages/osgeo/gdal_array.py", line 18, in swig_import_helper
    fp, pathname, description = imp.find_module('_gdal_array', [dirname(__file__)])
  File "/usr/lib/python3.6/imp.py", line 297, in find_module
    raise ImportError(_ERR_MSG.format(name), name=name)
ImportError: No module named '_gdal_array'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/swoodworth/.local/bin/tv", line 11, in <module>
    load_entry_point('tv==0.1', 'console_scripts', 'tv')()
  File "/home/swoodworth/.local/lib/python3.6/site-packages/tv/cli.py", line 4, in main
    tv.main()
  File "/home/swoodworth/.local/lib/python3.6/site-packages/tv/__init__.py", line 314, in main
    show_fn(img, **kwargs)
  File "/home/swoodworth/.local/lib/python3.6/site-packages/tv/__init__.py", line 248, in show_fn
    show_fd(gdal.Open(fn), *args, **kwargs)
  File "/home/swoodworth/.local/lib/python3.6/site-packages/tv/__init__.py", line 243, in show_fd
    show(rbs, xoff, yoff, ow, oh, w, h, r, slowout)
  File "/home/swoodworth/.local/lib/python3.6/site-packages/tv/__init__.py", line 178, in show
    buf_ysize=h, resample_alg=SAMPLING[r])
  File "/home/swoodworth/.local/lib/python3.6/site-packages/osgeo/gdal.py", line 2536, in ReadAsArray
    from . import gdalnumeric
  File "/home/swoodworth/.local/lib/python3.6/site-packages/osgeo/gdalnumeric.py", line 1, in <module>
    from osgeo.gdal_array import *
  File "/home/swoodworth/.local/lib/python3.6/site-packages/osgeo/gdal_array.py", line 28, in <module>
    _gdal_array = swig_import_helper()
  File "/home/swoodworth/.local/lib/python3.6/site-packages/osgeo/gdal_array.py", line 20, in swig_import_helper
    import _gdal_array
ModuleNotFoundError: No module named '_gdal_array'