Add channels in build

Author: hwpang

deps/build.jl

@@ -2,19 +2,22 @@ using CondaPkg
 using PythonCall
 packages = keys(CondaPkg.current_packages())
 if !("rmg" in packages) && !("rmgmolecule" in packages)
-    CondaPkg.add("rmgmolecule"; version=">=0.3.0", channel="mjohnson541")
+    CondaPkg.add_channel("defaults")
+    CondaPkg.add_channel("conda-forge")
+    CondaPkg.add_channel("mjohnson541")
+    CondaPkg.add("rmgmolecule"; version=">=0.3.0")
 end
 if !(v"3.7" <= PythonCall.C.python_version() && PythonCall.C.python_version() <= v"3.9")
     CondaPkg.add("python"; version="3.9")
 end
 if !("matplotlib" in packages)
-    CondaPkg.add("matplotlib"; channel="conda-forge")
+    CondaPkg.add("matplotlib")
 end
 if !("rdkit" in packages)
-    CondaPkg.add("rdkit"; channel="conda-forge")
+    CondaPkg.add("rdkit")
 end
 if !("pydot" in packages)
-    CondaPkg.add("pydot"; channel="anaconda")
+    CondaPkg.add("pydot")
 end
 const Pkg = Base.require(Base.PkgId(Base.UUID("44cfe95a-1eb2-52ea-b672-e2afdf69b78f"), "Pkg"))
 Pkg.build("PythonCall")