Rasterio 1.0.5 is on PyPI now. It
fixes 3 bugs and provides a source distribution that will be compatible
with Python 3.7. From the change log:
Bug fixes:
- The fill value for boundless reads was ignored in Rasterio versions 1-1.0.4
but now applies (#1471).
- An invalid shortcut has been eliminated and Rasterio now produces a proper
mask in the boundless masked read case (#1449).
- Loss of a row or column in geometry_window() and mask() has been fixed
(#1472).