fix typo

Co-authored-by: Tal Ben-Nun <[email protected]>

Author: fiedorowicz1

Diff for: python/lbann/util/data.py

@@ -271,7 +271,7 @@ def get_batch(self, batch_size: int) -> Dict[str, Union[np.ndarray, int]]:
 
         batch = {}
 
-        # Note: we return the arrays wiht the pointers so that they aren't
+        # Note: we return the arrays with the pointers so that they aren't
         # deallocated by the garbage collector.
         batch["sample"] = np.ascontiguousarray(
             [s.sample for s in samples], dtype=self.dtype