Docs: docstrings in checker.py, ast_helpers.py (#16908)

mypy/checker.py

@@ -2166,11 +2166,18 @@ def check_override(
         """Check a method override with given signatures.
 
         Arguments:
-          override:  The signature of the overriding method.
-          original:  The signature of the original supertype method.
-          name:      The name of the subtype. This and the next argument are
-                     only used for generating error messages.
-          supertype: The name of the supertype.
+          override:                 The signature of the overriding method.
+          original:                 The signature of the original supertype method.
+          name:                     The name of the overriding method.
+                                    Used primarily for generating error messages.
+          name_in_super:            The name of the overridden in the superclass.
+                                    Used for generating error messages only.
+          supertype:                The name of the supertype.
+          original_class_or_static: Indicates whether the original method (from the superclass)
+                                    is either a class method or a static method.
+          override_class_or_static: Indicates whether the overriding method (from the subclass)
+                                    is either a class method or a static method.
+          node:                     Context node.
         """
         # Use boolean variable to clarify code.
         fail = False

mypyc/irbuild/ast_helpers.py

@@ -62,6 +62,7 @@ def maybe_process_conditional_comparison(
     do nothing and return False.
 
     Args:
+        self: IR form Builder
         e: Arbitrary expression
         true: Branch target if comparison is true
         false: Branch target if comparison is false