fixup! Add Python integration

Author: jpsamaroo

test/extlang/python.jl

@@ -5,6 +5,9 @@ CondaPkg.add("numpy")
 
 np = pyimport("numpy")
 
+# Restart scheduler to see new methods
+Dagger.cancel!(;halt_sch=true)
+
 @testset "spawn" begin
     a = np.array([1, 2, 3])