python3Packages.imageio: fix tests

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

@@ -7,6 +7,7 @@
 , pillow
 , psutil
 , pytestCheckHook
+, tifffile
 }:
 
 buildPythonPackage rec {
@@ -28,6 +29,7 @@ buildPythonPackage rec {
   checkInputs = [
     psutil
     pytestCheckHook
+    tifffile
   ];
 
   preCheck = ''
@@ -36,6 +38,20 @@ buildPythonPackage rec {
     export HOME="$(mktemp -d)"
   '';
 
+  disabledTests = [
+    # tries to pull remote resources, even with IMAGEIO_NO_INTERNET
+    "test_png_remote"
+    # needs git history
+    "test_mvolread_out_of_bytes"
+    "test_imiter"
+    "test_memory_size"
+    "test_legacy_write_empty"
+  ];
+
+  disabledTestPaths = [
+    "tests/test_pillow.py"
+  ];
+
   meta = with lib; {
     description = "Library for reading and writing a wide range of image, video, scientific, and volumetric data formats";
     homepage = "http://imageio.github.io/";