diff --git a/pkgs/development/python-modules/compliance-trestle/default.nix b/pkgs/development/python-modules/compliance-trestle/default.nix
index 78c794c90583..48c80b490f20 100644
--- a/pkgs/development/python-modules/compliance-trestle/default.nix
+++ b/pkgs/development/python-modules/compliance-trestle/default.nix
@@ -71,6 +71,10 @@ buildPythonPackage (finalAttrs: {
     hatchling
   ];
 
+  pythonRelaxDeps = [
+    "cryptography"
+  ];
+
   dependencies = [
     attrs
     cmarkgfm
diff --git a/pkgs/development/python-modules/datamodel-code-generator/default.nix b/pkgs/development/python-modules/datamodel-code-generator/default.nix
index 6c78f81659c8..1db26a8fd023 100644
--- a/pkgs/development/python-modules/datamodel-code-generator/default.nix
+++ b/pkgs/development/python-modules/datamodel-code-generator/default.nix
@@ -4,13 +4,13 @@
   black,
   buildPythonPackage,
   fetchFromGitHub,
-  freezegun,
   genson,
   graphql-core,
   hatch-vcs,
   hatchling,
   httpx,
   inflect,
+  inline-snapshot,
   isort,
   jinja2,
   openapi-spec-validator,
@@ -18,11 +18,12 @@
   prance,
   ruff,
   pydantic,
-  pytest-benchmark,
+  pysnooper,
   pytest-mock,
   pytestCheckHook,
   pyyaml,
-  toml,
+  time-machine,
+  watchfiles,
 }:
 
 buildPythonPackage rec {
@@ -57,10 +58,11 @@ buildPythonPackage rec {
     packaging
     pydantic
     pyyaml
-    toml
   ];
 
   optional-dependencies = {
+    all = lib.concatAttrValues (lib.removeAttrs optional-dependencies [ "all" ]);
+    debug = [ pysnooper ];
     graphql = [ graphql-core ];
     http = [ httpx ];
     ruff = [ ruff ];
@@ -68,15 +70,18 @@ buildPythonPackage rec {
       openapi-spec-validator
       prance
     ];
+    watch = [
+      watchfiles
+    ];
   };
 
   nativeCheckInputs = [
-    freezegun
-    pytest-benchmark
+    inline-snapshot
     pytest-mock
     pytestCheckHook
+    time-machine
   ]
-  ++ lib.concatAttrValues optional-dependencies;
+  ++ optional-dependencies.all;
 
   pythonImportsCheck = [ "datamodel_code_generator" ];