test_snap stderr

Traceback (most recent call last):
  File "temporal/t.snap/testsuite/test_snap.py", line 12, in <module>
    import grass.temporal as tgis
  File "etc/python/grass/temporal/__init__.py", line 3, in <module>
    from .core import *
  File "etc/python/grass/temporal/core.py", line 44, in <module>
    from .c_libraries_interface import *
  File "etc/python/grass/temporal/c_libraries_interface.py", line 27, in <module>
    from grass.pygrass.rpc.base import RPCServerBase
  File "etc/python/grass/pygrass/rpc/__init__.py", line 21, in <module>
    from grass.pygrass.vector import *
  File "etc/python/grass/pygrass/vector/__init__.py", line 6, in <module>
    libgis.G_gisinit('')
AttributeError: 'module' object has no attribute 'G_gisinit'