STYLE: remove use in pd.api.dtype in test_floating.py (pandas-dev#39203)

Author: nofarmish

pandas/tests/extension/test_floating.py

@@ -22,6 +22,7 @@
 import pandas._testing as tm
 from pandas.core.arrays.floating import Float32Dtype, Float64Dtype
 from pandas.tests.extension import base
+from pandas.api.types import is_float_dtype
 
 
 def make_data():
@@ -101,7 +102,7 @@ def _check_op(self, s, op, other, op_name, exc=NotImplementedError):
             if (
                 hasattr(other, "dtype")
                 and not is_extension_array_dtype(other.dtype)
-                and pd.api.types.is_float_dtype(other.dtype)
+                and is_float_dtype(other.dtype)
             ):
                 # other is np.float64 and would therefore always result in
                 # upcasting, so keeping other as same numpy_dtype