python3Packages.thinc: relax catalogue, plac, and srsly constraints

Also add an import check.

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

@@ -58,10 +58,19 @@ buildPythonPackage rec {
   # Cannot find cython modules.
   doCheck = false;
 
+  postPatch = ''
+    substituteInPlace setup.py \
+      --replace "catalogue>=0.0.7,<1.1.0" "catalogue>=0.0.7,<3.0" \
+      --replace "plac>=0.9.6,<1.2.0" "plac>=0.9.6,<2.0" \
+      --replace "srsly>=0.0.6,<1.1.0" "srsly>=0.0.6,<3.0"
+  '';
+
   checkPhase = ''
     pytest thinc/tests
   '';
 
+  pythonImportsCheck = [ "thinc" ];
+
   meta = with stdenv.lib; {
     description = "Practical Machine Learning for NLP in Python";
     homepage = "https://github.com/explosion/thinc";