pythonPackages.scipy_1_3: re-init for ceph

pkgs/tools/filesystems/ceph/default.nix

@@ -112,7 +112,10 @@ let
     ps.pyjwt
     ps.webob
     ps.bcrypt
-    ps.scipy
+    # scipy > 1.3 breaks diskprediction_local, leading to mgr hang on startup
+    # Bump (and get rid of scipy_1_3) once these issues are resolved:
+    # https://tracker.ceph.com/issues/42764 https://tracker.ceph.com/issues/45147
+    ps.scipy_1_3
     ps.six
     ps.pyyaml
   ]);

pkgs/top-level/python-packages.nix

@@ -5902,6 +5902,15 @@ in {
     });
   in if pythonOlder "3.5" then scipy_1_2 else scipy_;
 
+  scipy_1_3 = self.scipy.overridePythonAttrs(oldAttrs: rec {
+    version = "1.3.3";
+    src = oldAttrs.src.override {
+      inherit version;
+      sha256 = "02iqb7ws7fw5fd1a83hx705pzrw1imj7z0bphjsl4bfvw254xgv4";
+    };
+    doCheck = false;
+  });
+
   scikitimage = callPackage ../development/python-modules/scikit-image { };
 
   scikitlearn = let