avoid const declaration

Author: mjohnson541

src/ReactionMechanismSimulator.jl

@@ -31,8 +31,8 @@ function __init__()
         CondaPkg.add("rdkit", channel="conda-forge")
         CondaPkg.add("pydot", channel="conda-forge")
 
-        const Pkg = Base.require(Base.PkgId(Base.UUID("44cfe95a-1eb2-52ea-b672-e2afdf69b78f"), "Pkg"))
-        Pkg.build("PythonCall")
+        Pkgc = Base.require(Base.PkgId(Base.UUID("44cfe95a-1eb2-52ea-b672-e2afdf69b78f"), "Pkg"))
+        Pkgc.build("PythonCall")
     end
     PythonCall.pycopy!(Chem, pyimport("rdkit.Chem"))
     PythonCall.pycopy!(Desc, pyimport("rdkit.Chem.Descriptors"))