python3Packages.pytest-notebook: don't depend on coverage (#463611)

pkgs/development/python-modules/pytest-notebook/default.nix

@@ -18,7 +18,6 @@
 
   # tests
   black,
-  coverage,
   ipykernel,
   pytest-cov-stub,
   pytest-regressions,
@@ -39,6 +38,12 @@ buildPythonPackage rec {
     hash = "sha256-LoK0wb7rAbVbgyURCbSfckWvJDef3tPY+7V4YU1IBRU=";
   };
 
+  postPatch = ''
+    # we disable the tests relying on coverage for unrelated reasons
+    substituteInPlace tests/test_execution.py \
+      --replace-fail "from coverage import CoverageData" ""
+  '';
+
   build-system = [
     flit-core
   ];
@@ -62,7 +67,6 @@ buildPythonPackage rec {
 
   nativeCheckInputs = [
     black
-    coverage
     ipykernel
     pytest-cov-stub
     pytest-regressions