change README from .md to .rst

README.md file doesn't seem to come along for the ride when
system packages are built, so we converted to .rst format,
since that seems to work.

README.md

-# ligo-gracedb
-The <b>Gra</b>vitational-wave <b>C</b>andidate <b>E</b>vent <b>D</b>ata<b>b</b>ase (GraceDB) is a web service designed for aggregating and communicating information about candidate events from gravitational-wave searches and associated follow-ups.
-`ligo-gracedb` provides a Python-based client tool for facilitating interactions with the GraceDB API.
-
-
-## Documentation
-For more information, see the [full documentation](https://gw.readthedocs.io/ligo-gracedb/).
-
-
-## Quick install
-```python
-pip install ligo-gracedb
-```
-
-## Contributing
-Please fork this [repository](https://git.ligo.org/lscsoft/gracedb-client) and submit a merge request if you wish to contribute to this package.
-
-See the [contributing documentation](https://gw.readthedocs.io/projects/ligo-gracedb/en/latest/contributing.html) for more details.

README.rst

+============
+ligo-gracedb
+============
+The Gravitational-wave Candidate Event Database (GraceDB) is a web service designed for aggregating and communicating information about candidate events from gravitational-wave searches and associated follow-ups.
+``ligo-gracedb`` provides a Python-based client tool for facilitating interactions with the GraceDB API.
+
+
+Documentation
+-------------
+For more information, see the `full documentation <https://gw.readthedocs.io/ligo-gracedb/>`__.
+
+
+Quick install
+-------------
+.. code:: python
+
+    pip install ligo-gracedb
+
+
+Contributing
+------------
+Please fork this `repository <https://git.ligo.org/lscsoft/gracedb-client>`__ and submit a merge request if you wish to contribute to this package.
+
+See the `contributing documentation <https://gw.readthedocs.io/projects/ligo-gracedb/en/latest/contributing.html>`__ for more details.

setup.py

@@ -34,9 +34,10 @@ def parse_version(path):
 
 
 # Get readme file for long_description
-readme_file = os.path.join(os.path.dirname(__file__), 'README.md')
-with open(readme_file, 'r') as f:
-    long_description = f.read()
+readme_file = os.path.join(os.path.dirname(__file__), 'README.rst')
+with open(readme_file, 'rb') as f:
+    long_description = f.read().decode().strip()
+
 
 # Required packages for tests
 tests_require = []
@@ -89,7 +90,7 @@ setup(
     author_email="tanner.prestegard@ligo.org, alexander.pace@ligo.org",
     description="A Python package for accessing the GraceDB API.",
     long_description=long_description,
-    long_description_content_type='text/markdown',
+    long_description_content_type='text/x-rst',
     url="https://git.ligo.org/lscsoft/gracedb-client",
     license='GPL-3.0-or-later',
     namespace_packages=['ligo'],