Merge pull request #46053 from danieldk/mxnet-fixes

pythonPackages.mxnet: fix build

pkgs/top-level/python-packages.nix

@@ -1788,6 +1788,13 @@ in {
 
     doCheck = !isPy3k;
 
+    postPatch = ''
+      substituteInPlace python/setup.py \
+      --replace "graphviz<0.9.0" "graphviz<0.10.0" \
+      --replace "numpy<=1.15.0" "numpy<1.16.0" \
+      --replace "requests<2.19.0" "requests<2.20.0"
+    '';
+
     preConfigure = ''
       cd python
     '';
@@ -7937,11 +7944,11 @@ in {
 
   graphviz = buildPythonPackage rec {
     name = "graphviz-${version}";
-    version = "0.5.2";
+    version = "0.9";
 
     src = pkgs.fetchurl {
       url = "mirror://pypi/g/graphviz/${name}.zip";
-      sha256 = "0jh31nlm0qbxwylhdkwnb69pcjlc5z03fcfbs0gvgzp3hfrngsk0";
+      sha256 = "14r9brj4r31b3qy1nnn34v3l4h0n39bqxg9sn2fz4p3pp5mglnl6";
     };
 
     propagatedBuildInputs = [ pkgs.graphviz ];