1 files changed, 6 insertions, 6 deletions
diff --git a/pkgs/development/python-modules/pymc/default.nix b/pkgs/development/python-modules/pymc/default.nix
index 185250bddda5..5afa718726c8 100644
--- a/pkgs/development/python-modules/pymc/default.nix
+++ b/pkgs/development/python-modules/pymc/default.nix
@@ -23,9 +23,14 @@ buildPythonPackage rec {
     owner = "pymc-devs";
     repo = "pymc";
     rev = "refs/tags/v${version}";
-    hash = "sha256-bOrWgZaSOXXalw251cm5JUDkAARGaxmUk+z3SY6Git8=";
+    hash = "sha256-tiOXbryY2TmeBVrG5cIMeDJ4alolBQ5LosdfH3tpVOA=";
   };
 
+  postPatch = ''
+    substituteInPlace setup.py \
+      --replace-fail ', "pytest-cov"' ""
+  '';
+
   propagatedBuildInputs = [
     arviz
     cachetools
@@ -37,11 +42,6 @@ buildPythonPackage rec {
     typing-extensions
   ];
 
-  postPatch = ''
-    substituteInPlace setup.py \
-      --replace ', "pytest-cov"' ""
-  '';
-
   # The test suite is computationally intensive and test failures are not
   # indicative for package usability hence tests are disabled by default.
   doCheck = false;