naming issue

sum as variable

src/juobs_obs.jl

@@ -101,11 +101,11 @@ dec_const_pcvc(corr::Corr, plat::Vector{Int64}, m::uwreal; pl::Bool=true, data::
 
 #t0
 function get_model(x, p, n)
-    sum = 0.0
+    s = 0.0
     for k = 1:n
-        sum = sum .+ p[k] .* x.^(k-1)
+        s = s .+ p[k] .* x.^(k-1)
     end
-    return sum
+    return s
 end
 @doc raw"""