CHANGES.txt

 Changes
 =======
 
+1.0.28 (2019-09-09)
+-------------------
+
+- Coercion to ``int`` was forgotten in the block size guard introduced in
+  1.0.27 and code that passes string valued ``blockxsize`` and ``blockysize``
+  keyword arguments to ``rasterio.open()`` was broken (#1769).  This has been
+  fixed in 1.0.28.
+
 1.0.27 (2019-09-05)
 -------------------
 
-- Resolve #1744 by adding a `dtype` keyword argument to the WarpedVRT
+- Resolve #1744 by adding a ``dtype`` keyword argument to the WarpedVRT
   constructor. It allows a user to specify the working data type for the warp
   operation and output.
 - All cases of deprecated affine right multiplication have been changed to be

debian/changelog

+rasterio (1.0.28-1) unstable; urgency=medium
+
+  * Team upload.
+  * New upstream release.
+
+ -- Bas Couwenberg <sebastic@debian.org>  Tue, 10 Sep 2019 06:10:59 +0200
+
 rasterio (1.0.27-1) unstable; urgency=medium
 
   * Team upload.

rasterio/__init__.py

@@ -42,7 +42,7 @@ import rasterio.path
 
 
 __all__ = ['band', 'open', 'pad', 'Env']
-__version__ = "1.0.27"
+__version__ = "1.0.28"
 __gdal_version__ = gdal_version()
 
 # Rasterio attaches NullHandler to the 'rasterio' logger and its

rasterio/_io.pyx

@@ -1082,7 +1082,7 @@ cdef class DatasetWriterBase(DatasetReaderBase):
         if tiled:
             blockxsize = kwargs.get("blockxsize", None)
             blockysize = kwargs.get("blockysize", None)
-            if (blockxsize and blockxsize % 16) or (blockysize and blockysize % 16):
+            if (blockxsize and int(blockxsize) % 16) or (blockysize and int(blockysize) % 16):
                 raise RasterBlockError("The height and width of dataset blocks must be multiples of 16")
             kwargs["tiled"] = "TRUE"