python3Packages.ledgerwallet: use upstream patch

Follow up to 5d56c78f37 (python3Packages.ledgerwallet: fix build,
2021-11-17), now with upstream patch.

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

@@ -1,5 +1,6 @@
 { lib, stdenv
 , fetchFromGitHub
+, fetchpatch
 , buildPythonPackage
 , cryptography
 , click
@@ -26,10 +27,12 @@ buildPythonPackage rec {
   };
 
   patches = [
-    # Fix removed function in construct library
+    (fetchpatch {
-    # https://github.com/LedgerHQ/ledgerctl/issues/17
+      # Fix removed function in construct library
-    # https://github.com/construct/construct/commit/8915512f53552b1493afdbce5bbf8bb6f2aa4411
+      url = "https://github.com/LedgerHQ/ledgerctl/commit/fd23d0e14721b93789071e80632e6bd9e47c1256.patch";
-    ./remove-iterateints.patch
+      sha256 = "sha256-YNlENguPQW5FNFT7mqED+ghF3TJiKao4H+56Eu+j+Eo=";
+      excludes = [ "setup.py" ];
+    })
   ];
 
   buildInputs = lib.optionals stdenv.isDarwin [ AppKit ];

pkgs/development/python-modules/ledgerwallet/remove-iterateints.patch

@@ -1,19 +0,0 @@
---- a/ledgerwallet/params.py	2021-11-17 20:31:10.488954050 -0300
-+++ b/ledgerwallet/params.py	2021-11-17 20:31:30.619477930 -0300
-@@ -19,7 +19,6 @@
- )
- from construct.core import (
-     byte2int,
--    iterateints,
-     singleton,
-     stream_read,
-     stream_write,
-@@ -40,7 +39,7 @@
-         num_bytes = byte & 0x80
-         encoded_len = stream_read(stream, num_bytes)
-         num = 0
--        for len_byte in iterateints(encoded_len):
-+        for len_byte in encoded_len:
-             num = num << 8 + len_byte
-         return num
-