From f975ee023359aa524389b9d4e7029d7b0cce1bad Mon Sep 17 00:00:00 2001
From: Martin Weinelt <hexa@darmstadt.ccc.de>
Date: Sun, 13 Feb 2022 14:36:52 +0100
Subject: [PATCH] tts: pin librosa at 0.8.1

---
 pkgs/tools/audio/tts/default.nix | 21 ++++++++++++++++++---
 1 file changed, 18 insertions(+), 3 deletions(-)

diff --git a/pkgs/tools/audio/tts/default.nix b/pkgs/tools/audio/tts/default.nix
index 3a00ddc99593..4ee8644d7129 100644
--- a/pkgs/tools/audio/tts/default.nix
+++ b/pkgs/tools/audio/tts/default.nix
@@ -13,7 +13,22 @@
 # For now, for deployment check the systemd unit in the pull request:
 #   https://github.com/NixOS/nixpkgs/pull/103851#issue-521121136
 
-python3.pkgs.buildPythonApplication rec {
+let
+  python = python3.override {
+    packageOverrides = self: super: {
+      # API breakage with 0.9.0
+      # TypeError: mel() takes 0 positional arguments but 2 positional arguments (and 3 keyword-only arguments) were given
+      librosa = super.librosa.overridePythonAttrs (oldAttrs: rec {
+        version = "0.8.1";
+        src = oldAttrs.src.override {
+          inherit version;
+          sha256 = "c53d05e768ae4a3e553ae21c2e5015293e5efbfd5c12d497f1104cb519cca6b3";
+        };
+      });
+    };
+  };
+in
+python.pkgs.buildPythonApplication rec {
   pname = "tts";
   version = "0.5.0";
   format = "setuptools";
@@ -43,11 +58,11 @@ python3.pkgs.buildPythonApplication rec {
     requirements.txt
   '';
 
-  nativeBuildInputs = with python3.pkgs; [
+  nativeBuildInputs = with python.pkgs; [
     cython
   ];
 
-  propagatedBuildInputs = with python3.pkgs; [
+  propagatedBuildInputs = with python.pkgs; [
     anyascii
     coqpit
     flask