Int are now inferred as float to handle potential NA values

scripts/sp2xr_generate_config.py

@@ -19,7 +19,7 @@ from typing import Any
 def infer_general_dtype(dtype: Any) -> str:
     """Infer general data type from pandas dtype."""
     if pd.api.types.is_integer_dtype(dtype):
-        return "int"
+        return "float"  # Use float to handle potential NA values
     elif pd.api.types.is_float_dtype(dtype):
         return "float"
     elif pd.api.types.is_datetime64_any_dtype(dtype):