Since SOAPpy 0.12.1, wstools is not bundled directly.

SOAPpy.wstools import was working with python2 (and no longer with python3)
because SOAPpy __init__ imported wstools but this was right anyway...

bt5/erp5_web_service/ModuleComponentTemplateItem/portal_components/module.erp5.SOAPWSDLConnection.py

@@ -27,6 +27,7 @@
 ##############################################################################
 
 import SOAPpy
+import wstools
 from Products.AGProjects.patches import SOAPpy_WSDL as WSDL
 from AccessControl.SecurityInfo import allow_class
 import threading
@@ -163,7 +164,7 @@ class MethodWrapper(object):
 # Be on the safe side by using threading.local as a storage for it.
 wsdl_cache = threading.local()
 
-# XXX: SOAPpy.wstools.WSDLTools.WSDL.__del__ calls unlink on an xml document
+# XXX: wstools.WSDLTools.WSDL.__del__ calls unlink on an xml document
 # instance, which happens to fail (AttributeError: NoneType has no attribute
 # 'unlink') somewhere down in xml module. As that unlink is only acting on xml
 # nodes in memory, it's safe to ignore it.
@@ -174,7 +175,8 @@ def WSDL___del__(self):
       unlink()
     except AttributeError:
       pass
-SOAPpy.wstools.WSDLTools.WSDL.__del__ = WSDL___del__
+
+wstools.WSDLTools.WSDL.__del__ = WSDL___del__
 
 class SOAPWSDLConnection:
   """
@@ -212,7 +214,7 @@ class SOAPWSDLConnection:
     try:
       wsdl = wsdl_cache.parsed
     except AttributeError:
-      wsdl = wsdl_cache.parsed = SOAPpy.wstools.WSDLTools.WSDLReader().loadFromURL(self.url)
+      wsdl = wsdl_cache.parsed = wstools.WSDLTools.WSDLReader().loadFromURL(self.url)
     # TODO: transport (http) level authentication using self._user_name and
     # self._password
     return WSDLConnection(wsdl, self._credentials, self._service)

product/AGProjects/patches/SOAPpy_WSDL.py

@@ -30,7 +30,7 @@
 
 import weakref
 
-from SOAPpy.wstools import WSDLTools
+from wstools        import WSDLTools
 from SOAPpy.Client  import SOAPProxy
 from SOAPpy.Types   import headerType, faultType