change dtype

Signed-off-by: Nitish Bharambe <nitish.bharambe@alliander.com>

Author: nitbharambe

src/power_grid_model_io/converters/pandapower_converter.py

@@ -242,7 +242,7 @@ def _extra_info_to_pgm_input_data(self, extra_info: ExtraInfo):  # pylint: disab
         assert self.pgm_output_data
 
         dtype = np.int32
-        other_cols_dtype = np.float
+        other_cols_dtype = np.float64
         nan = np.iinfo(dtype).min
         all_other_cols = ["i_n"]
         for component, data in self.pgm_output_data.items():