python310Packages.pmw: Normalize attribute, pname, dirname

pkgs/development/python-modules/Pmw/default.nix pkgs/development/python-modules/pmw/default.nix

···
 { lib , buildPythonPackage , fetchPypi, tkinter }:
 
 buildPythonPackage rec {
-  pname = "Pmw";
+  pname = "pmw";
   version = "2.1.1";
 
   src = fetchPypi {
-    inherit pname version;
+    pname = "Pmw";
+    inherit version;
     sha256 = "sha256-lIQSRXz8zwx3XdCOCRP7APkIlqM8eXN9VxxzEq6vVcY=";
   };
 

pkgs/top-level/python-packages.nix

···
 
   plyvel = callPackage ../development/python-modules/plyvel { };
 
-  Pmw = callPackage ../development/python-modules/Pmw { };
+  pmw = callPackage ../development/python-modules/pmw { };
 
   pocket = callPackage ../development/python-modules/pocket { };