python: do not change autogenerated file

Author: yoff

python/ql/lib/semmle/python/AstGenerated.qll

@@ -1379,7 +1379,7 @@ class Try_ extends @py_Try, Stmt {
   Stmt getHandler(int index) { result = this.getHandlers().getItem(index) }
 
   /** Gets an exception handler of this try statement. */
-  ExceptionHandler getAHandler() { result = this.getHandlers().getAnItem() }
+  Stmt getAHandler() { result = this.getHandlers().getAnItem() }
 
   /** Gets the finally block of this try statement. */
   StmtList getFinalbody() { py_stmt_lists(result, this, 4) }

python/ql/lib/semmle/python/Stmts.qll

@@ -422,7 +422,7 @@ class Try extends Try_ {
     result = this.getAnOrelse()
   }
 
-  override Stmt getHandler(int i) { result = Try_.super.getHandler(i) }
+  override ExceptionHandler getHandler(int i) { result = Try_.super.getHandler(i) }
 
   /** Gets a normal exception handler, `except`, of this try statement. */
   ExceptStmt getANormalHandler() { result = this.getAHandler() }