Bump CI version for Cython to 0.28.2

Author: xhochy

ci/circle-27-compat.yaml

@@ -4,7 +4,7 @@ channels:
   - conda-forge
 dependencies:
   - bottleneck=1.0.0
-  - cython=0.28
+  - cython=0.28.2
   - jinja2=2.8
   - numexpr=2.4.4 # we test that we correctly don't use an unsupported numexpr
   - numpy=1.9.2

ci/travis-27-locale.yaml

@@ -4,7 +4,7 @@ channels:
   - conda-forge
 dependencies:
   - bottleneck=1.0.0
-  - cython=0.28
+  - cython=0.28.2
   - lxml
   - matplotlib=1.4.3
   - numpy=1.9.2

ci/travis-27.yaml

@@ -5,7 +5,7 @@ channels:
 dependencies:
   - beautifulsoup4
   - bottleneck
-  - cython=0.28
+  - cython=0.28.2
   - fastparquet
   - feather-format
   - flake8=3.4.1