[Csnd-dev] ctcsound7 import error

i have csound7 in latest develop installed.  when i try to import 
ctcsound7 i get this error:

 >>> import ctcsound7
Traceback (most recent call last):
   File "<stdin>", line 1, in <module>
   File "/home/jh/.local/lib/python3.11/site-packages/ctcsound7.py", 
line 77, in <module>
     APIVERSION = libcsound.csoundGetAPIVersion()
                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   File "/usr/lib/python3.11/ctypes/__init__.py", line 389, in __getattr__
     func = self.__getitem__(name)
            ^^^^^^^^^^^^^^^^^^^^^^
   File "/usr/lib/python3.11/ctypes/__init__.py", line 394, in __getitem__
     func = self._FuncPtr((name_or_ordinal, self))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AttributeError: /usr/local/lib/libcsound64.so: undefined symbol: 
csoundGetAPIVersion

any idea how to solve?
thanks -
	joachim