Fix LibJulia.load usage

Author: tkf

src/julia/core.py

@@ -1023,7 +1023,7 @@ def __init__(self, init_julia=True, jl_init_path=None, runtime=None,
                 # `InProcessLibJulia` does not work on Windows at the
                 # moment.  See:
                 # https://github.com/JuliaPy/pyjulia/issues/287
-                self.api = LibJulia.load(runtime)
+                self.api = LibJulia.load(julia=runtime)
             else:
                 self.api = InProcessLibJulia()