python3Packages.k5test: disambiguate krb5

PyPI also has a package called krb5 and this package wants the
system krb5, not the PyPI one.

pkgs/development/python-modules/k5test/default.nix

@@ -1,12 +1,12 @@
 {
   lib,
   buildPythonPackage,
-  pythonOlder,
   fetchPypi,
-  substituteAll,
   findutils,
-  krb5,
+  krb5-c,
+  pythonOlder,
   setuptools,
+  substituteAll,
 }:
 
 buildPythonPackage rec {
@@ -24,9 +24,10 @@ buildPythonPackage rec {
   patches = [
     (substituteAll {
       src = ./fix-paths.patch;
-      inherit findutils krb5;
+      inherit findutils;
+      krb5 = krb5-c;
       # krb5-config is in dev output
-      krb5Dev = krb5.dev;
+      krb5Dev = krb5-c.dev;
     })
   ];
 

pkgs/development/python-modules/pykerberos/default.nix

@@ -2,7 +2,7 @@
   lib,
   fetchPypi,
   buildPythonPackage,
-  pkgs,
+  krb5-c, # C krb5 library, not PyPI krb5
 }:
 
 buildPythonPackage rec {
@@ -15,9 +15,9 @@ buildPythonPackage rec {
     hash = "sha256-nXAevY/FlsmdMVXVukWBO9WQjSbvg7oK3SUO22IqvtQ=";
   };
 
-  nativeBuildInputs = [ pkgs.krb5 ]; # for krb5-config
+  nativeBuildInputs = [ krb5-c ]; # for krb5-config
 
-  buildInputs = [ pkgs.krb5 ];
+  buildInputs = [ krb5-c ];
 
   # there are no tests
   doCheck = false;

pkgs/top-level/python-packages.nix

@@ -6536,7 +6536,8 @@ self: super: with self; {
   k-diffusion = callPackage ../development/python-modules/k-diffusion { };
 
   k5test = callPackage ../development/python-modules/k5test {
-    inherit (pkgs) krb5 findutils;
+    inherit (pkgs) findutils;
+    krb5-c = pkgs.krb5;
   };
 
   kaa-base = callPackage ../development/python-modules/kaa-base { };