Prevent broad namespace mixing

pysr/julia_extensions.py

@@ -32,5 +32,5 @@ def load_package(package_name: str, uuid_s: str) -> None:
 
     # TODO: Protect against loading the same symbol from two packages,
     #       maybe with a @gensym here.
-    jl.seval(f"using {package_name}")
+    jl.seval(f"using {package_name}: {package_name}")
     return None