May 05 18:20:51 v-core python[1237]: Traceback (most recent call last):
May 05 18:20:51 v-core python[1237]:   File "/home/pi/klipper/klippy/klippy.py", line 369, in <module>
May 05 18:20:51 v-core python[1237]:     main()
May 05 18:20:51 v-core python[1237]:   File "/home/pi/klipper/klippy/klippy.py", line 351, in main
May 05 18:20:51 v-core python[1237]:     main_reactor = reactor.Reactor(gc_checking=True)
May 05 18:20:51 v-core python[1237]:   File "/home/pi/klipper/klippy/reactor.py", line 288, in __init__
May 05 18:20:51 v-core python[1237]:     SelectReactor.__init__(self, gc_checking)
May 05 18:20:51 v-core python[1237]:   File "/home/pi/klipper/klippy/reactor.py", line 99, in __init__
May 05 18:20:51 v-core python[1237]:     self.monotonic = chelper.get_ffi()[1].get_monotonic
May 05 18:20:51 v-core python[1237]:   File "/home/pi/klipper/klippy/chelper/__init__.py", line 274, in get_ffi
May 05 18:20:51 v-core python[1237]:     FFI_lib = FFI_main.dlopen(destlib)
May 05 18:20:51 v-core python[1237]:   File "/home/pi/klippy-env/local/lib/python2.7/site-packages/cffi/api.py", line 150, in dlopen
May 05 18:20:51 v-core python[1237]:     lib, function_cache = _make_ffi_library(self, name, flags)
May 05 18:20:51 v-core python[1237]:   File "/home/pi/klippy-env/local/lib/python2.7/site-packages/cffi/api.py", line 832, in _make_ffi_library
May 05 18:20:51 v-core python[1237]:     backendlib = _load_backend_lib(backend, libname, flags)
May 05 18:20:51 v-core python[1237]:   File "/home/pi/klippy-env/local/lib/python2.7/site-packages/cffi/api.py", line 827, in _load_backend_lib
May 05 18:20:51 v-core python[1237]:     raise OSError(msg)
May 05 18:20:51 v-core python[1237]: OSError: cannot load library '/home/pi/klipper/klippy/chelper/c_helper.so': /home/pi/klipper/klippy/chelper/c_helper.so: file too short.  Additionally, ctypes.util.find_library() did not manage to locate a library called '/home/pi/klipper/klippy/chelper/c_helper.so'