Bump pytest

ci/environment-dev.yaml

@@ -8,7 +8,7 @@ dependencies:
   - flake8
   - flake8-comprehensions
   - moto
-  - pytest>=3.1
+  - pytest>=3.6
   - python-dateutil>=2.5.0
   - python=3
   - pytz

ci/requirements_dev.txt

@@ -5,7 +5,7 @@ NumPy
 flake8
 flake8-comprehensions
 moto
-pytest>=3.1
+pytest>=3.6
 python-dateutil>=2.5.0
 pytz
 setuptools>=24.2.0

doc/source/contributing.rst

@@ -658,7 +658,7 @@ extensions in `numpy.testing
 
 .. note::
 
-   The earliest supported pytest version is 3.1.0.
+   The earliest supported pytest version is 3.6.0.
 
 Writing tests
 ~~~~~~~~~~~~~
@@ -766,7 +766,7 @@ A test run of this yields
 
    ((pandas) bash-3.2$ pytest  test_cool_feature.py  -v
    =========================== test session starts ===========================
-   platform darwin -- Python 3.6.2, pytest-3.2.1, py-1.4.31, pluggy-0.4.0
+   platform darwin -- Python 3.6.2, pytest-3.6.0, py-1.4.31, pluggy-0.4.0
    collected 11 items
 
    tester.py::test_dtypes[int8] PASSED
@@ -788,7 +788,7 @@ Tests that we have ``parametrized`` are now accessible via the test name, for ex
 
    ((pandas) bash-3.2$ pytest  test_cool_feature.py  -v -k int8
    =========================== test session starts ===========================
-   platform darwin -- Python 3.6.2, pytest-3.2.1, py-1.4.31, pluggy-0.4.0
+   platform darwin -- Python 3.6.2, pytest-3.6.0, py-1.4.31, pluggy-0.4.0
    collected 11 items
 
    test_cool_feature.py::test_dtypes[int8] PASSED

doc/source/install.rst

@@ -202,15 +202,15 @@ pandas is equipped with an exhaustive set of unit tests, covering about 97% of
 the code base as of this writing. To run it on your machine to verify that
 everything is working (and that you have all of the dependencies, soft and hard,
 installed), make sure you have `pytest
-<http://doc.pytest.org/en/latest/>`__ and run:
+<http://doc.pytest.org/en/latest/>`__ >= 3.6 and run:
 
 ::
 
     >>> import pandas as pd
     >>> pd.test()
     running: pytest --skip-slow --skip-network C:\Users\TP\Anaconda3\envs\py36\lib\site-packages\pandas
     ============================= test session starts =============================
-    platform win32 -- Python 3.6.2, pytest-3.2.1, py-1.4.34, pluggy-0.4.0
+    platform win32 -- Python 3.6.2, pytest-3.6.0, py-1.4.34, pluggy-0.4.0
     rootdir: C:\Users\TP\Documents\Python\pandasdev\pandas, inifile: setup.cfg
     collected 12145 items / 3 skipped
 

doc/source/whatsnew/v0.23.5.txt

@@ -26,6 +26,11 @@ Fixed Regressions
 -
 -
 
+
+Development
+~~~~~~~~~~~
+- The minimum required pytest version has been increased to 3.6 (:issue:`22319`)
+
 .. _whatsnew_0235.bug_fixes:
 
 Bug Fixes

setup.cfg

@@ -31,6 +31,7 @@ split_penalty_after_opening_bracket = 1000000
 split_penalty_logical_operator = 30
 
 [tool:pytest]
+minversion = 3.6
 testpaths = pandas
 markers =
     single: mark a test as single cpu only