Fix travis build

FHaase · FHaase · commit 421577edecb0 · 2018-10-27T14:35:16.000+02:00
adding flake8-rst to travis-36.yaml

reverting changes to requirements-optional-pip.txt
     pytables seems to be tables on PyPI
     [running ./scripts/convert_deps.py previously changed it]

Signed-off-by: Fabian Haase &lt;haase.fabian@gmail.com&gt;
diff --git a/ci/requirements-optional-pip.txt b/ci/requirements-optional-pip.txt
@@ -17,7 +17,7 @@ numexpr>=2.6.1
 openpyxl==2.5.5
 pyarrow
 pymysql
-pytables>=3.4.2
+tables
 pytest-cov
 pytest-xdist
 s3fs
diff --git a/ci/travis-36.yaml b/ci/travis-36.yaml
@@ -10,6 +10,7 @@ dependencies:
   - feather-format
   - flake8>=3.5
   - flake8-comprehensions
+  - flake8-rst
   - gcsfs
   - geopandas
   - html5lib
