Updated qcut for Float64DType

Author: taytzehao

pandas/core/reshape/tile.py

@@ -19,7 +19,7 @@
     is_datetime_or_timedelta_dtype,
     is_extension_array_dtype,
     is_integer,
-    is_integer_dtype,
+    is_numeric_dtype,
     is_list_like,
     is_scalar,
     is_timedelta64_dtype,
@@ -483,7 +483,7 @@ def _coerce_to_type(x):
     # Will properly support in the future.
     # https://github.com/pandas-dev/pandas/pull/31290
     # https://github.com/pandas-dev/pandas/issues/31389
-    elif is_extension_array_dtype(x.dtype) and is_integer_dtype(x.dtype):
+    elif is_extension_array_dtype(x.dtype) and is_numeric_dtype(x.dtype):
         x = x.to_numpy(dtype=np.float64, na_value=np.nan)
 
     if dtype is not None: