shoot numpy-dev future warning

inmoonlight · inmoonlight · commit 9efb16936b63 · 2019-08-15T21:25:35.000+09:00
diff --git a/pandas/core/dtypes/cast.py b/pandas/core/dtypes/cast.py
@@ -1055,7 +1055,7 @@ def maybe_cast_to_datetime(value, dtype, errors="raise"):
                     )
 
             if is_scalar(value):
-                if value == iNaT or isna(value):
+                if value is iNaT or isna(value):
                     value = iNaT
             else:
                 value = np.array(value, copy=False)

Original file line number	Diff line number	Diff line change
`@@ -1055,7 +1055,7 @@ def maybe_cast_to_datetime(value, dtype, errors="raise"):`
`1055`	`1055`	`)`
`1056`	`1056`
`1057`	`1057`	`if is_scalar(value):`
`1058`		`- if value == iNaT or isna(value):`
	`1058`	`+ if value is iNaT or isna(value):`
`1059`	`1059`	`value = iNaT`
`1060`	`1060`	`else:`
`1061`	`1061`	`value = np.array(value, copy=False)`