Specify some sensible validation defaults.

Author: rossbar

doc/conf.py

@@ -86,9 +86,18 @@
 numpydoc_xref_ignore = {'optional', 'type_without_description', 'BadException'}
 # Run docstring validation as part of build process
 numpydoc_validate = True
-# Report warnings from all build-in validation checks
-from numpydoc.validate import ERROR_MSGS
-numpydoc_validation_checks = set(ERROR_MSGS.keys())
+numpydoc_validation_checks = {
+    "GL06",  # Unknown section name
+    "GL07",  # Sections in wrong order
+    "GL08",  # Object missing docstring
+    "PR01",  # Missing parameters
+    "PR02",  # Unknown parameters
+    "PR03",  # Incorrect parameter ordering
+    "PR10",  # Missing colon between parameter name and type
+    "RT01",  # No returns section
+    "SA01",  # Missing See Also section
+    "EX01",  # Missing Examples section
+}
 
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