Pin pytest to avoid pytest-cov failure

see pytest-dev/pytest-cov#253

Author: shoyer

ci/requirements-py35-min.yml

@@ -1,7 +1,7 @@
 name: test_env
 dependencies:
   - python=3.5
-  - pytest
+  - pytest==4.0.2
   - flake8
   - mock
   - numpy=1.12

ci/requirements-py35.yml

@@ -9,7 +9,7 @@ dependencies:
   - h5netcdf
   - matplotlib=1.5
   - netcdf4
-  - pytest
+  - pytest==4.0.2
   - pytest-env
   - pytest-cov
   - coveralls

ci/requirements-py36-bottleneck-dev.yml

@@ -10,7 +10,7 @@ dependencies:
   - h5netcdf
   - matplotlib
   - netcdf4
-  - pytest
+  - pytest==4.0.2
   - pytest-env
   - pytest-cov
   - coveralls

ci/requirements-py36-condaforge-rc.yml

@@ -11,7 +11,7 @@ dependencies:
   - h5netcdf
   - matplotlib
   - netcdf4
-  - pytest
+  - pytest==4.0.2
   - pytest-env
   - pytest-cov
   - coveralls

ci/requirements-py36-dask-dev.yml

@@ -8,7 +8,7 @@ dependencies:
   - h5netcdf
   - matplotlib
   - netcdf4
-  - pytest
+  - pytest==4.0.2
   - pytest-env
   - pytest-cov
   - coveralls

ci/requirements-py36-hypothesis.yml

@@ -9,7 +9,7 @@ dependencies:
   - h5netcdf
   - matplotlib
   - netcdf4
-  - pytest
+  - pytest==4.0.2
   - pytest-env
   - pytest-cov
   - coveralls

ci/requirements-py36-netcdf4-dev.yml

@@ -9,7 +9,7 @@ dependencies:
   - h5py
   - h5netcdf
   - matplotlib
-  - pytest
+  - pytest==4.0.2
   - pytest-env
   - pytest-cov
   - coveralls

ci/requirements-py36-pandas-dev.yml

@@ -11,7 +11,7 @@ dependencies:
   - h5netcdf
   - matplotlib
   - netcdf4
-  - pytest
+  - pytest==4.0.2
   - pytest-env
   - pytest-cov
   - coveralls

ci/requirements-py36-pynio-dev.yml

@@ -12,7 +12,7 @@ dependencies:
   - matplotlib
   - netcdf4
   - pynio=dev
-  - pytest
+  - pytest==4.0.2
   - pytest-env
   - pytest-cov
   - coveralls

ci/requirements-py36-rasterio.yml

@@ -10,7 +10,7 @@ dependencies:
   - h5netcdf
   - matplotlib
   - netcdf4
-  - pytest
+  - pytest==4.0.2
   - pytest-env
   - pytest-cov
   - coveralls

ci/requirements-py36-windows.yml

@@ -10,7 +10,7 @@ dependencies:
   - h5netcdf
   - matplotlib
   - netcdf4
-  - pytest
+  - pytest==4.0.2
   - pytest-env
   - numpy
   - pandas

ci/requirements-py36.yml

@@ -10,7 +10,7 @@ dependencies:
   - h5netcdf
   - matplotlib
   - netcdf4
-  - pytest
+  - pytest==4.0.2
   - pytest-cov
   - pytest-env
   - coveralls

ci/requirements-py37-windows.yml

@@ -10,7 +10,7 @@ dependencies:
   - h5netcdf
   - matplotlib
   - netcdf4
-  - pytest
+  - pytest==4.0.2
   - pytest-env
   - numpy
   - pandas

ci/requirements-py37.yml

@@ -10,7 +10,7 @@ dependencies:
   - h5netcdf
   - matplotlib
   - netcdf4
-  - pytest
+  - pytest==4.0.2
   - pytest-cov
   - pytest-env
   - coveralls