Remove seeds from internal observation, add warning.

Unfortunately, xwaitforspace is in internal currently and it is
somewhat useful when auto-skipping of messages isn't turned on.

nle/env/base.py

@@ -282,6 +282,12 @@ def __init__(
 
         self._observation_keys = list(observation_keys)
 
+        if "internal" in self._observation_keys:
+            logger.warn(
+                """The 'internal' NLE observation was requested.
+This might contain data that shouldn't be abailable to agents."""
+            )
+
         # Observations we always need.
         for key in (
             "glyphs",

version.txt

@@ -1 +1 @@
-0.7.0
+0.7.1

win/rl/winrl.cc

@@ -252,8 +252,8 @@ NetHackRL::fill_obs(nle_obs *obs)
         obs->internal[2] = in_getlin;
         obs->internal[3] = xwaitingforspace;
         obs->internal[4] = stairs_down;
-        obs->internal[5] = nle_seeds[0]; /* core */
-        obs->internal[6] = nle_seeds[1]; /* disp */
+        obs->internal[5] = 0; /* used to be core seed */
+        obs->internal[6] = 0; /* used to be disp seed */
         obs->internal[7] = u.uhunger;
         obs->internal[8] =
             u.urexp; /* score (careful! check botl_score() and end.c) */