fix pcodec test

Author: normanrz

numcodecs/tests/test_zarr3.py

@@ -181,10 +181,12 @@ def test_generic_bytes_codec(store: Store, codec_id: str):
     try:
         get_codec({"id": codec_id})
     except ValueError as e:
-        if "codec not available" in str(e) or "codec must be installed" in str(e):
-            pytest.xfail(f"{codec_id} is not available")
+        if "codec not available" in str(e):
+            pytest.xfail(f"{codec_id} is not available: {e}")
         else:
             raise
+    except ImportError as e:
+        pytest.xfail(f"{codec_id} is not available: {e}")
 
     data = np.arange(0, 256, dtype="float32").reshape((16, 16))