From 70db537ba41fda01a9aaf0c438f269177177090f Mon Sep 17 00:00:00 2001
From: Gaetan Lepage <gaetan@glepage.com>
Date: Sun, 1 Mar 2026 13:55:29 +0000
Subject: [PATCH 1/3] python3Packages.arviz: skip failing tests

---
 pkgs/development/python-modules/arviz/default.nix | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/pkgs/development/python-modules/arviz/default.nix b/pkgs/development/python-modules/arviz/default.nix
index dc5522b98276..098d412a1908 100644
--- a/pkgs/development/python-modules/arviz/default.nix
+++ b/pkgs/development/python-modules/arviz/default.nix
@@ -106,6 +106,15 @@ buildPythonPackage (finalAttrs: {
   ];
 
   disabledTests = [
+    # TypeError: only 0-dimensional arrays can be converted to Python scalars
+    "test_deterministic"
+    "test_mcse_array"
+    "test_mcse_dataset"
+    "test_mcse_nan"
+    "test_multichain_summary_array"
+    "test_numba_mcse"
+    "test_plot_mcse"
+
     # Tests require network access
     "test_plot_ppc_transposed"
     "test_plot_separation"

From 2c7129de328ddbc5eb8aa0592a2d06809b58afad Mon Sep 17 00:00:00 2001
From: Gaetan Lepage <gaetan@glepage.com>
Date: Sun, 22 Feb 2026 23:17:54 +0000
Subject: [PATCH 2/3] python3Packages.pytensor: 2.37.0 -> 2.38.1

Diff:
https://github.com/pymc-devs/pytensor/compare/rel-2.37.0...rel-2.38.1

Changelogs:
- https://github.com/pymc-devs/pytensor/releases/tag/rel-2.38.0
- https://github.com/pymc-devs/pytensor/releases/tag/rel-2.38.1
---
 pkgs/development/python-modules/pytensor/default.nix | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/python-modules/pytensor/default.nix b/pkgs/development/python-modules/pytensor/default.nix
index e790c04308a4..c14440b5ae60 100644
--- a/pkgs/development/python-modules/pytensor/default.nix
+++ b/pkgs/development/python-modules/pytensor/default.nix
@@ -33,7 +33,7 @@
 
 buildPythonPackage (finalAttrs: {
   pname = "pytensor";
-  version = "2.37.0";
+  version = "2.38.1";
   pyproject = true;
 
   src = fetchFromGitHub {
@@ -43,7 +43,7 @@ buildPythonPackage (finalAttrs: {
     postFetch = ''
       sed -i 's/git_refnames = "[^"]*"/git_refnames = " (tag: ${finalAttrs.src.tag})"/' $out/pytensor/_version.py
     '';
-    hash = "sha256-N6TYK/qMux/a0ktQyCGYHZg3g8S6To8g1FXnILk9HIw=";
+    hash = "sha256-Ye88hXOLkUh/BVYvvDG9dB3hq+xO5bE5jU9IDdCyuv0=";
   };
 
   build-system = [
@@ -87,6 +87,9 @@ buildPythonPackage (finalAttrs: {
   disabledTests = [
     # TypeError: jax_funcified_fgraph() takes 2 positional arguments but 3 were given
     "test_jax_Reshape_shape_graph_input"
+
+    # AssertionError: equal_computations failed
+    "test_infer_shape_db_handles_xtensor_lowering"
   ]
   ++ lib.optionals stdenv.hostPlatform.isDarwin [
     # Numerical assertion error
@@ -94,6 +97,9 @@ buildPythonPackage (finalAttrs: {
     "test_op_sd"
     "test_op_ss"
 
+    # AssertionError: equal_computations failed
+    "test_infer_shape_db_handles_xtensor_lowering"
+
     # pytensor.link.c.exceptions.CompileError: Compilation failed (return status=1)
     "OpFromGraph"
     "add"

From 22eb1065e5ae3ab3773045be1eb52694066e800b Mon Sep 17 00:00:00 2001
From: Gaetan Lepage <gaetan@glepage.com>
Date: Sun, 22 Feb 2026 23:18:17 +0000
Subject: [PATCH 3/3] python3Packages.pymc: 5.27.1 -> 5.28.1

Diff: https://github.com/pymc-devs/pymc/compare/v5.27.1...v5.28.1

Changelogs:
- https://github.com/pymc-devs/pymc/releases/tag/v5.28.0
- https://github.com/pymc-devs/pymc/releases/tag/v5.28.1
---
 pkgs/development/python-modules/pymc/default.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/python-modules/pymc/default.nix b/pkgs/development/python-modules/pymc/default.nix
index 000846fc8358..0e328c697bc4 100644
--- a/pkgs/development/python-modules/pymc/default.nix
+++ b/pkgs/development/python-modules/pymc/default.nix
@@ -23,14 +23,14 @@
 
 buildPythonPackage (finalAttrs: {
   pname = "pymc";
-  version = "5.27.1";
+  version = "5.28.1";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "pymc-devs";
     repo = "pymc";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-9SPRt1R36pvsGOS0UUH3Ts/3D7W46nPnLbRc2XnU0xE=";
+    hash = "sha256-6P171KjWvSgtiYxsGNvVxs4Pfqs3S7gxg6aGRbQ/Zcw=";
   };
 
   build-system = [