extra message for unpicking fails

modules/safe.py

@@ -96,11 +96,18 @@ def load(filename, *args, **kwargs):
         if not shared.cmd_opts.disable_safe_unpickle:
             check_pt(filename)
 
+    except pickle.UnpicklingError:
+        print(f"Error verifying pickled file from {filename}:", file=sys.stderr)
+        print(traceback.format_exc(), file=sys.stderr)
+        print(f"-----> !!!! The file is most likely corrupted !!!! <-----", file=sys.stderr)
+        print(f"You can skip this check with --disable-safe-unpickle commandline argument, but that is not going to help you.\n\n", file=sys.stderr)
+        return None
+
     except Exception:
         print(f"Error verifying pickled file from {filename}:", file=sys.stderr)
         print(traceback.format_exc(), file=sys.stderr)
         print(f"\nThe file may be malicious, so the program is not going to read it.", file=sys.stderr)
-        print(f"You can skip this check with --disable-safe-unpickle commandline argument.", file=sys.stderr)
+        print(f"You can skip this check with --disable-safe-unpickle commandline argument.\n\n", file=sys.stderr)
         return None
 
     return unsafe_torch_load(filename, *args, **kwargs)