update

Author: deependujha

src/lightning/pytorch/plugins/precision/fsdp.py

@@ -63,7 +63,7 @@ def __init__(self, precision: _PRECISION_INPUT, scaler: Optional["ShardedGradSca
         if scaler is not None and self.precision != "16-mixed":
             raise ValueError(f"`precision={precision!r}` does not use a scaler, found {scaler}.")
 
-        self.scaler = ShardedGradScaler() if scaler is None and precision in ("16-mixed", "16-true") else None
+        self.scaler = ShardedGradScaler() if scaler is None and precision == "16-mixed" else None
         self.precision = precision
 
         precision_to_type = {