Canada case failing

[vgoliber]

Error message:

Reading shp file...
Traceback (most recent call last):
File "/workspace/graph-coloring/map_coloring.py", line 157, in
state_records, state_neighbors = get_state_info(input_shp_file)
File "/workspace/graph-coloring/map_coloring.py", line 49, in get_state_info
for state in sf.records():
File "/workspace/.pip-modules/lib/python3.7/site-packages/shapefile.py", line 1306, in records
r = self.__record(oid=i)
File "/workspace/.pip-modules/lib/python3.7/site-packages/shapefile.py", line 1281, in __record
value = u(value, self.encoding, self.encodingErrors)
File "/workspace/.pip-modules/lib/python3.7/site-packages/shapefile.py", line 104, in u
return v.decode(encoding, encodingErrors)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xe9 in position 11: invalid continuation byte

[vgoliber]

Should also add smoke test to Canada case for unit tests