MyPy doesn't find PyShp-stubs #382

# pip install PyShp[stubs]

# Expected to fail typechecking, as well as at runtime:

import shapefile

with shapefile.Writer('delete_me.shp', shapeType = "1") as w:
    w.field("name")
    w.point([2,3])
    w.record("test")

mypy cannot find typing info for shapefile.py