python3Packages.pyannote-metrics: fix build

The version check failed because it imported typing-extensions, which was
not provided.

pkgs/development/python-modules/pyannote-metrics/default.nix

@@ -17,6 +17,7 @@
   # undeclared cli dependencies
   docopt,
   tabulate,
+  typing-extensions,
 
   # tests
   pytestCheckHook,
@@ -57,6 +58,8 @@ buildPythonPackage rec {
     # Imported in pyannote/metrics/cli.py
     docopt
     tabulate
+    # Imporrted in pyannote/metrics/types.py
+    typing-extensions
   ];
 
   pythonImportsCheck = [ "pyannote.metrics" ];