remove duplicate pytest.ini, use agg backend

pdebuyl · pdebuyl · commit ac8e7d43d912 · 2021-12-08T15:29:33.000+01:00
diff --git a/doc/conftest.py b/doc/conftest.py
@@ -3,6 +3,9 @@
 """
 import pytest
 import numpy
+import matplotlib
+
+matplotlib.use('agg', force=True)
 
 @pytest.fixture(autouse=True)
 def add_np(doctest_namespace):
diff --git a/doc/pytest.ini b/doc/pytest.ini
diff --git a/pytest.ini b/pytest.ini
@@ -11,10 +11,14 @@ filterwarnings =
     ignore:numpy.dtype size changed
     ignore:numpy.ufunc size changed
     ignore::UserWarning:cpuinfo,
+    ignore: divide by zero encountered in log
+    ignore: invalid value encountered in log
 # Matrix PendingDeprecationWarning.
     ignore:the matrix subclass is not
     ignore:Importing from numpy.matlib is
 # pytest warning when using PYTHONOPTIMIZE
     ignore:assertions not in test modules or plugins:pytest.PytestConfigWarning
 # TODO: remove below when array_api user warning is removed
     ignore:The numpy.array_api submodule is still experimental. See NEP 47.
+# ignore matplotlib headless warning for pyplot
+    ignore:Matplotlib is currently using agg, which is a non-GUI backend, so cannot show the figure.:UserWarning
