MAINT: Remove old filtered warnings (scipy#16095)

Author: jarrodmillman

dev.py

@@ -71,11 +71,7 @@
 import importlib.util
 import json  # noqa: E402
 from sysconfig import get_path
-
-try:
-    from types import ModuleType as new_module
-except ImportError:  # old Python
-    from imp import new_module
+from types import ModuleType as new_module  # noqa: E402
 
 ROOT_DIR = os.path.abspath(os.path.join(os.path.dirname(__file__)))
 

doc/source/conf.py

@@ -152,9 +152,7 @@
 warnings.filterwarnings('default', module='sphinx')  # internal warnings
 # global weird ones that can be safely ignored
 for key in (
-        r"'U' mode is deprecated",  # sphinx io
         r"OpenSSL\.rand is deprecated",  # OpenSSL package in linkcheck
-        r"Using or importing the ABCs from",  # 3.5 importlib._bootstrap
         r"distutils Version",  # distutils
         ):
     warnings.filterwarnings(  # deal with other modules having bad imports

pytest.ini

@@ -7,10 +7,7 @@ filterwarnings =
     always::scipy._lib._testutils.FPUModeChangeWarning
     ignore:.*deprecated and ignored since IPython.*:DeprecationWarning
     once:.*LAPACK bug 0038.*:RuntimeWarning
-    ignore:Using or importing the ABCs from 'collections'*:DeprecationWarning
     ignore:can't resolve package from __spec__ or __package__, falling back on __name__ and __path__:ImportWarning
-    once:the imp module is deprecated in favour of importlib.*:DeprecationWarning
-    once:the imp module is deprecated in favour of importlib.*:PendingDeprecationWarning
     ignore:assertions not in test modules or plugins:pytest.PytestConfigWarning
     ignore:'environmentfilter' is renamed to 'pass_environment'
     ignore:'contextfunction' is renamed to 'pass_context'

runtests.py

@@ -67,10 +67,7 @@
 import subprocess
 import time
 import datetime
-try:
-    from types import ModuleType as new_module
-except ImportError:  # old Python
-    from imp import new_module
+from types import ModuleType as new_module  # noqa: E402
 
 ROOT_DIR = os.path.abspath(os.path.join(os.path.dirname(__file__)))