style: format after float base change

Signed-off-by: Bias92 <gongnobi@gmail.com>

Author: Bias92

src/compressed_tensors/quantization/utils/helpers.py

@@ -205,7 +205,7 @@ def calculate_range(
     :return: tuple endpoints for the given quantization range
     """
     if quantization_args.type == QuantizationType.INT:
-        bit_range = 2.0 ** quantization_args.num_bits
+        bit_range = 2.0**quantization_args.num_bits
         q_max = torch.tensor(bit_range / 2 - 1, device=device)
         q_min = torch.tensor(-bit_range / 2, device=device)
     elif quantization_args.type == QuantizationType.FLOAT: