Merge branch 'master' into python3fixes

Dockerfile

@@ -12,6 +12,7 @@ RUN apt-get update -y && apt-get install \
       osmium-tool \
       pyosmium \
       python-gdal \
+      gdal-bin \
       awscli \
       software-properties-common \
       -y

README.md

@@ -59,15 +59,15 @@ PlanetUtils is a "high level" library that makes use of [Osmosis](https://wiki.o
 Make sure you have [Docker](https://www.docker.com/community-edition) installed. Then:
 
 ```sh
-docker pull interline/planetutils:release-v0.4.3
+docker pull interline/planetutils:release-v0.4.4
 ```
 
 Any of the example commands below can be executed with `docker run`. It may be helpful to mount a local directory inside the container for persistence and to access output files.
 
 - Example of using `docker run` with the `data` directory mounted as `/data`:
 
 ```sh
-docker run --rm -v ${PWD}/data:/data -t interline/planetutils:release-v0.4.3 <command>
+docker run --rm -v ${PWD}/data:/data -t interline/planetutils:release-v0.4.4 <command>
 ```
 
 ### Using Homebrew on Mac OS
@@ -87,7 +87,7 @@ If you want to install and use the Python package directly, you'll need to provi
 - [OSM C tools](https://gitlab.com/osm-c-tools/osmctools/)
 - [Osmium Tool](https://osmcode.org/osmium-tool/)
 - [PyOsmium](https://osmcode.org/pyosmium/)
-- [GDAL](https://www.gdal.org/)
+- [GDAL](https://www.gdal.org/) (both binaries and Python scripts)
 
 Then clone this repo, run the tests, and install the Python package:
 

planetutils/elevation_tile_download.py

@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 from __future__ import absolute_import, unicode_literals, print_function
 import argparse
+import sys
 
 from . import log
 from .bbox import load_bboxes_csv, bbox_string