DEPS: remove py36 check in test, bump matplotlib (pandas-dev#34472)

Author: fangchenli

ci/deps/azure-37-minimum_versions.yaml

@@ -27,4 +27,4 @@ dependencies:
   - xlrd=1.1.0
   - xlsxwriter=1.0.2
   - xlwt=1.3.0
-  - html5lib=1.0.1
+  - html5lib=1.0.1

ci/deps/azure-windows-38.yaml

@@ -16,7 +16,7 @@ dependencies:
   - blosc
   - bottleneck
   - fastparquet>=0.3.2
-  - matplotlib=3.1.0
+  - matplotlib=3.1.3
   - numba
   - numexpr
   - numpy=1.18.*

pandas/tests/extension/test_numpy.py

@@ -1,8 +1,6 @@
 import numpy as np
 import pytest
 
-from pandas.compat.numpy import _np_version_under1p16
-
 import pandas as pd
 import pandas._testing as tm
 from pandas.core.arrays.numpy_ import PandasArray, PandasDtype
@@ -46,11 +44,7 @@ def data(allow_in_pandas, dtype):
 
 @pytest.fixture
 def data_missing(allow_in_pandas, dtype):
-    # For NumPy <1.16, np.array([np.nan, (1,)]) raises
-    # ValueError: setting an array element with a sequence.
     if dtype.numpy_dtype == "object":
-        if _np_version_under1p16:
-            raise pytest.skip("Skipping for NumPy <1.16")
         return PandasArray(np.array([np.nan, (1,)], dtype=object))
     return PandasArray(np.array([np.nan, 1.0]))
 

requirements-dev.txt

@@ -1,7 +1,7 @@
 # This file is auto-generated from environment.yml, do not modify.
 # See that file for comments about the need/usage of each dependency.
 
-numpy>=1.15
+numpy>=1.16
 python-dateutil>=2.7.3
 pytz
 asv