Fix DaemonMode dir

Project.toml

@@ -1,4 +1,5 @@
 [deps]
+DaemonMode = "d749ddd5-2b29-4920-8305-6ff5a704e36e"
 SymbolicRegression = "8254be44-1295-4e6a-a16d-46603ac705cb"
 
 [compat]

pysr/sr.py

@@ -434,8 +434,10 @@ def pysr(
     pkg_directory = kwargs["pkg_directory"]
     if kwargs["julia_project"] is not None:
         manifest_filepath = Path(kwargs["julia_project"]) / "Manifest.toml"
+        kwargs["julia_project"] = Path(kwargs["julia_project"])
     else:
         manifest_filepath = pkg_directory / "Manifest.toml"
+        kwargs["julia_project"] = pkg_directory
 
     kwargs["need_install"] = False
 
@@ -484,7 +486,6 @@ def _start_julia_daemon(
         return
 
     s = "import Pkg;"
-    s += 'Pkg.add("DaemonMode");'
     if need_install:
         s += "Pkg.instantiate();"
         s += "Pkg.update();"