python3Packages.bip32: loosen dependency requirements

pkgs/development/python-modules/bip32/default.nix

@@ -23,6 +23,12 @@ buildPythonPackage rec {
     hash = "sha256-o8UKR17XDWp1wTWYeDL0DJY+D11YI4mg0UuGEAPkHxE=";
   };
 
+  # https://github.com/darosior/python-bip32/pull/40/files
+  postPatch = ''
+    substituteInPlace requirements.txt \
+      --replace-fail 'coincurve>=15.0,<19' 'coincurve>=15.0,<20'
+  '';
+
   nativeBuildInputs = [
     setuptools
   ];