Merge pull request #17672 from bernt-matthias/topic/npz-sniff

[23.2] Npz sniffing: do not read the whole file

lib/galaxy/datatypes/binary.py

@@ -4331,9 +4331,7 @@ def sniff(self, filename: str) -> bool:
         try:
             npz = np.load(filename)
             if isinstance(npz, np.lib.npyio.NpzFile):
-                for f in npz.files:
-                    if isinstance(npz[f], np.ndarray):
-                        return True
+                return True
         except Exception:
             return False
         return False