Block pickling with protocols 0 and 1 as well

takluyver · takluyver · commit 09b05c0b040d · 2019-03-29T16:15:19.000Z
diff --git a/h5py/_hl/base.py b/h5py/_hl/base.py
@@ -307,6 +307,9 @@ def __getnewargs__(self):
         """
         raise TypeError("h5py objects cannot be pickled")
 
+    def __getstate__(self):
+        # Pickle protocols 0 and 1 use this instead of __getnewargs__
+        raise TypeError("h5py objects cannot be pickled")
 
 # --- Dictionary-style interface ----------------------------------------------
 
