change integer division to floating point division when calculating v…

…alues of floating point hyperparameter

keras_tuner/engine/hyperparameters/hp_types/numerical.py

@@ -116,7 +116,7 @@ def _get_n_values(self):
         """Get the total number of possible values using step."""
         if self.sampling == "linear":
             # +1 so that max_value may be sampled.
-            return int((self.max_value - self.min_value) // self.step + 1)
+            return int((self.max_value - self.min_value) / self.step + 1)
         # For log and reverse_log
         # +1 so that max_value may be sampled.
         return (