--- src/lxml/etree.c
+++ src/lxml/etree.c
@@ -137695,7 +137695,7 @@
  * 
  *     def start(self, tag, attrs, nsmap=None):
  */
-  __pyx_t_1 = __pyx_f_4lxml_5etree_11TreeBuilder__handleSaxData(((struct __pyx_obj_4lxml_5etree__SaxParserTarget *)__pyx_v_self), __pyx_v_data); if (unlikely(__pyx_t_1 == ((int)-1))) __PYX_ERR(3, 832, __pyx_L1_error)
+  __pyx_t_1 = __pyx_f_4lxml_5etree_11TreeBuilder__handleSaxData((__pyx_v_self), __pyx_v_data); if (unlikely(__pyx_t_1 == ((int)-1))) __PYX_ERR(3, 832, __pyx_L1_error)
 
   /* "src/lxml/saxparser.pxi":826
  *         return self._last
@@ -137856,7 +137856,7 @@
  *     def end(self, tag):
  */
   __Pyx_XDECREF(__pyx_r);
-  __pyx_t_3 = __pyx_f_4lxml_5etree_11TreeBuilder__handleSaxStart(((struct __pyx_obj_4lxml_5etree__SaxParserTarget *)__pyx_v_self), __pyx_v_tag, __pyx_v_attrs, __pyx_v_nsmap); if (unlikely(!__pyx_t_3)) __PYX_ERR(3, 841, __pyx_L1_error)
+  __pyx_t_3 = __pyx_f_4lxml_5etree_11TreeBuilder__handleSaxStart((__pyx_v_self), __pyx_v_tag, __pyx_v_attrs, __pyx_v_nsmap); if (unlikely(!__pyx_t_3)) __PYX_ERR(3, 841, __pyx_L1_error)
   __Pyx_GOTREF(__pyx_t_3);
   __pyx_r = __pyx_t_3;
   __pyx_t_3 = 0;
@@ -137927,7 +137927,7 @@
  *         assert self._last.tag == tag,\
  *             f"end tag mismatch (expected {self._last.tag}, got {tag})"
  */
-  __pyx_t_1 = __pyx_f_4lxml_5etree_11TreeBuilder__handleSaxEnd(((struct __pyx_obj_4lxml_5etree__SaxParserTarget *)__pyx_v_self), __pyx_v_tag); if (unlikely(!__pyx_t_1)) __PYX_ERR(3, 848, __pyx_L1_error)
+  __pyx_t_1 = __pyx_f_4lxml_5etree_11TreeBuilder__handleSaxEnd((__pyx_v_self), __pyx_v_tag); if (unlikely(!__pyx_t_1)) __PYX_ERR(3, 848, __pyx_L1_error)
   __Pyx_GOTREF(__pyx_t_1);
   __pyx_v_element = __pyx_t_1;
   __pyx_t_1 = 0;
@@ -138128,7 +138128,7 @@
  *     def comment(self, comment):
  */
   __Pyx_XDECREF(__pyx_r);
-  __pyx_t_1 = __pyx_f_4lxml_5etree_11TreeBuilder__handleSaxPi(((struct __pyx_obj_4lxml_5etree__SaxParserTarget *)__pyx_v_self), __pyx_v_target, __pyx_v_data); if (unlikely(!__pyx_t_1)) __PYX_ERR(3, 859, __pyx_L1_error)
+  __pyx_t_1 = __pyx_f_4lxml_5etree_11TreeBuilder__handleSaxPi((__pyx_v_self), __pyx_v_target, __pyx_v_data); if (unlikely(!__pyx_t_1)) __PYX_ERR(3, 859, __pyx_L1_error)
   __Pyx_GOTREF(__pyx_t_1);
   __pyx_r = __pyx_t_1;
   __pyx_t_1 = 0;
@@ -138191,7 +138191,7 @@
  *         return self._handleSaxComment(comment)             # <<<<<<<<<<<<<<
  */
   __Pyx_XDECREF(__pyx_r);
-  __pyx_t_1 = __pyx_f_4lxml_5etree_11TreeBuilder__handleSaxComment(((struct __pyx_obj_4lxml_5etree__SaxParserTarget *)__pyx_v_self), __pyx_v_comment); if (unlikely(!__pyx_t_1)) __PYX_ERR(3, 867, __pyx_L1_error)
+  __pyx_t_1 = __pyx_f_4lxml_5etree_11TreeBuilder__handleSaxComment((__pyx_v_self), __pyx_v_comment); if (unlikely(!__pyx_t_1)) __PYX_ERR(3, 867, __pyx_L1_error)
   __Pyx_GOTREF(__pyx_t_1);
   __pyx_r = __pyx_t_1;
   __pyx_t_1 = 0;
@@ -203205,7 +203205,7 @@
  *             context.register_context(transform_ctxt, input_doc)
  * 
  */
-    __pyx_t_1 = ((PyObject *)__pyx_f_4lxml_5etree_12_XSLTContext__copy(((struct __pyx_obj_4lxml_5etree__BaseContext *)__pyx_v_self->_context))); if (unlikely(!__pyx_t_1)) __PYX_ERR(4, 550, __pyx_L9_error)
+    __pyx_t_1 = ((PyObject *)__pyx_f_4lxml_5etree_12_XSLTContext__copy((__pyx_v_self->_context))); if (unlikely(!__pyx_t_1)) __PYX_ERR(4, 550, __pyx_L9_error)
     __Pyx_GOTREF(__pyx_t_1);
     if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_4lxml_5etree__XSLTContext))))) __PYX_ERR(4, 550, __pyx_L9_error)
     __Pyx_DECREF_SET(__pyx_v_context, ((struct __pyx_obj_4lxml_5etree__XSLTContext *)__pyx_t_1));
@@ -205038,7 +205030,7 @@
  * 
  *     new_xslt._xslt_resolver_context = stylesheet._xslt_resolver_context._copy()
  */
-  __pyx_t_1 = ((PyObject *)__pyx_f_4lxml_5etree_12_XSLTContext__copy(((struct __pyx_obj_4lxml_5etree__BaseContext *)__pyx_v_stylesheet->_context))); if (unlikely(!__pyx_t_1)) __PYX_ERR(4, 691, __pyx_L1_error)
+  __pyx_t_1 = ((PyObject *)__pyx_f_4lxml_5etree_12_XSLTContext__copy((__pyx_v_stylesheet->_context))); if (unlikely(!__pyx_t_1)) __PYX_ERR(4, 691, __pyx_L1_error)
   __Pyx_GOTREF(__pyx_t_1);
   if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_4lxml_5etree__XSLTContext))))) __PYX_ERR(4, 691, __pyx_L1_error)
   __Pyx_GIVEREF(__pyx_t_1);