Python: Appease the QLDoc checker

Author: tausbn

python/ql/lib/LegacyPointsTo.qll

@@ -299,6 +299,7 @@ class ClassWithPointsTo extends Class {
   override string getAQlClass() { none() }
 }
 
+/** Gets the `Object` corresponding to the immutable literal `l`. */
 Object getLiteralObject(ImmutableLiteral l) {
   l instanceof IntegerLiteral and
   (

python/ql/lib/semmle/python/Exprs.qll

@@ -565,6 +565,7 @@ class StringLiteral extends Str_, ImmutableLiteral {
   override string toString() { result = "StringLiteral" }
 }
 
+/** Holds if `n` is a named constant (`True`, `False`, or `None`) with name `id`. */
 predicate name_consts(Name_ n, string id) {
   exists(Variable v | py_variables(v, n) and id = v.getId() |
     id = "True" or id = "False" or id = "None"

python/ql/lib/semmle/python/types/Exceptions.qll

@@ -368,6 +368,7 @@ predicate scope_raises_unknown(Scope s) {
   )
 }
 
+/** An extension of `ExceptFlowNode` that provides points-to related methods. */
 class ExceptFlowNodeWithPointsTo extends ExceptFlowNode {
   private predicate handledObject_objectapi(Object obj, ClassObject cls, ControlFlowNode origin) {
     this.getType().(ControlFlowNodeWithPointsTo).refersTo(obj, cls, origin)