DEPS: resolve min version conflicts (pandas-dev#34472)

Author: fangchenli

ci/deps/azure-37-minimum_versions.yaml

@@ -1,8 +1,8 @@
-name: pandas-dev
+name: pandas-test
 channels:
   - conda-forge
 dependencies:
-  - python=3.7.1
+  - python=3.7.0
 
   # tools
   - cython=0.29.16
@@ -15,16 +15,16 @@ dependencies:
   # pandas dependencies
   - beautifulsoup4=4.6.0
   - bottleneck=1.2.1
-  - jinja2=2.8
+  - jinja2=2.10
   - numba=0.46.0
-  - numexpr=2.6.2
+  - numexpr=2.6.8
   - numpy=1.16.0
   - openpyxl=2.5.7
-  - pytables=3.4.3
-  - python-dateutil=2.7.3
-  - pytz=2017.2
+  - pytables=3.5.0
+  - python-dateutil=2.7.4
+  - pytz=2018.3
   - scipy=1.2
   - xlrd=1.1.0
-  - xlsxwriter=0.9.8
-  - xlwt=1.2.0
-  - html5lib=1.0.1
+  - xlsxwriter=1.0.2
+  - xlwt=1.3.0
+  - html5lib=1.0.1

ci/deps/azure-windows-38.yaml

@@ -16,7 +16,7 @@ dependencies:
   - blosc
   - bottleneck
   - fastparquet>=0.3.2
-  - matplotlib=3.0.2
+  - matplotlib=3.1.0
   - numba
   - numexpr
   - numpy=1.18.*

pandas/tests/arrays/categorical/test_constructors.py

@@ -3,8 +3,6 @@
 import numpy as np
 import pytest
 
-from pandas.compat.numpy import _np_version_under1p16
-
 from pandas.core.dtypes.common import is_float_dtype, is_integer_dtype
 from pandas.core.dtypes.dtypes import CategoricalDtype
 
@@ -637,7 +635,6 @@ def test_constructor_imaginary(self):
         tm.assert_index_equal(c1.categories, Index(values))
         tm.assert_numpy_array_equal(np.array(c1), np.array(values))
 
-    @pytest.mark.skipif(_np_version_under1p16, reason="Skipping for NumPy <1.16")
     def test_constructor_string_and_tuples(self):
         # GH 21416
         c = pd.Categorical(np.array(["c", ("a", "b"), ("b", "a"), "c"], dtype=object))

setup.py

@@ -765,7 +765,7 @@ def setup_package():
         long_description=LONG_DESCRIPTION,
         classifiers=CLASSIFIERS,
         platforms="any",
-        python_requires=">=3.7.1",
+        python_requires=">=3.7.0",
         extras_require={
             "test": [
                 # sync with setup.cfg minversion & install.rst